diff --git a/L2J_Mobius_01.0_Ertheia/java/org/l2jmobius/gameserver/model/instancezone/Instance.java b/L2J_Mobius_01.0_Ertheia/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
index bd2adaf27f..fd808f8ad2 100644
--- a/L2J_Mobius_01.0_Ertheia/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
+++ b/L2J_Mobius_01.0_Ertheia/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
@@ -377,7 +377,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Player> getPlayersInsideRadius(ILocational object, int radius)
 	{
-		final List<Player> result = new ArrayList<>();
+		final List<Player> result = new LinkedList<>();
 		for (Player player : _players)
 		{
 			if (player.isInsideRadius3D(object, radius))
@@ -460,8 +460,11 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<SpawnGroup> getSpawnGroup(String name)
 	{
-		final List<SpawnGroup> spawns = new ArrayList<>();
-		_spawns.stream().forEach(spawnTemplate -> spawns.addAll(spawnTemplate.getGroupsByName(name)));
+		final List<SpawnGroup> spawns = new LinkedList<>();
+		for (SpawnTemplate spawnTemplate : _spawns)
+		{
+			spawns.addAll(spawnTemplate.getGroupsByName(name));
+		}
 		return spawns;
 	}
 	
@@ -585,7 +588,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (CommonUtil.contains(id, npc.getId()))
@@ -607,7 +610,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && clazz.isInstance(npc))
@@ -624,7 +627,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs()
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (npc.getCurrentHp() > 0)
@@ -642,7 +645,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((npc.getCurrentHp() > 0) && CommonUtil.contains(id, npc.getId()))
@@ -664,7 +667,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getAliveNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && (npc.getCurrentHp() > 0)) && clazz.isInstance(npc))
diff --git a/L2J_Mobius_02.5_Underground/java/org/l2jmobius/gameserver/model/instancezone/Instance.java b/L2J_Mobius_02.5_Underground/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
index bd2adaf27f..fd808f8ad2 100644
--- a/L2J_Mobius_02.5_Underground/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
+++ b/L2J_Mobius_02.5_Underground/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
@@ -377,7 +377,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Player> getPlayersInsideRadius(ILocational object, int radius)
 	{
-		final List<Player> result = new ArrayList<>();
+		final List<Player> result = new LinkedList<>();
 		for (Player player : _players)
 		{
 			if (player.isInsideRadius3D(object, radius))
@@ -460,8 +460,11 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<SpawnGroup> getSpawnGroup(String name)
 	{
-		final List<SpawnGroup> spawns = new ArrayList<>();
-		_spawns.stream().forEach(spawnTemplate -> spawns.addAll(spawnTemplate.getGroupsByName(name)));
+		final List<SpawnGroup> spawns = new LinkedList<>();
+		for (SpawnTemplate spawnTemplate : _spawns)
+		{
+			spawns.addAll(spawnTemplate.getGroupsByName(name));
+		}
 		return spawns;
 	}
 	
@@ -585,7 +588,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (CommonUtil.contains(id, npc.getId()))
@@ -607,7 +610,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && clazz.isInstance(npc))
@@ -624,7 +627,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs()
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (npc.getCurrentHp() > 0)
@@ -642,7 +645,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((npc.getCurrentHp() > 0) && CommonUtil.contains(id, npc.getId()))
@@ -664,7 +667,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getAliveNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && (npc.getCurrentHp() > 0)) && clazz.isInstance(npc))
diff --git a/L2J_Mobius_03.0_Helios/java/org/l2jmobius/gameserver/model/instancezone/Instance.java b/L2J_Mobius_03.0_Helios/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
index bd2adaf27f..fd808f8ad2 100644
--- a/L2J_Mobius_03.0_Helios/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
+++ b/L2J_Mobius_03.0_Helios/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
@@ -377,7 +377,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Player> getPlayersInsideRadius(ILocational object, int radius)
 	{
-		final List<Player> result = new ArrayList<>();
+		final List<Player> result = new LinkedList<>();
 		for (Player player : _players)
 		{
 			if (player.isInsideRadius3D(object, radius))
@@ -460,8 +460,11 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<SpawnGroup> getSpawnGroup(String name)
 	{
-		final List<SpawnGroup> spawns = new ArrayList<>();
-		_spawns.stream().forEach(spawnTemplate -> spawns.addAll(spawnTemplate.getGroupsByName(name)));
+		final List<SpawnGroup> spawns = new LinkedList<>();
+		for (SpawnTemplate spawnTemplate : _spawns)
+		{
+			spawns.addAll(spawnTemplate.getGroupsByName(name));
+		}
 		return spawns;
 	}
 	
@@ -585,7 +588,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (CommonUtil.contains(id, npc.getId()))
@@ -607,7 +610,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && clazz.isInstance(npc))
@@ -624,7 +627,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs()
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (npc.getCurrentHp() > 0)
@@ -642,7 +645,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((npc.getCurrentHp() > 0) && CommonUtil.contains(id, npc.getId()))
@@ -664,7 +667,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getAliveNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && (npc.getCurrentHp() > 0)) && clazz.isInstance(npc))
diff --git a/L2J_Mobius_04.0_GrandCrusade/java/org/l2jmobius/gameserver/model/instancezone/Instance.java b/L2J_Mobius_04.0_GrandCrusade/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
index bd2adaf27f..fd808f8ad2 100644
--- a/L2J_Mobius_04.0_GrandCrusade/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
+++ b/L2J_Mobius_04.0_GrandCrusade/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
@@ -377,7 +377,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Player> getPlayersInsideRadius(ILocational object, int radius)
 	{
-		final List<Player> result = new ArrayList<>();
+		final List<Player> result = new LinkedList<>();
 		for (Player player : _players)
 		{
 			if (player.isInsideRadius3D(object, radius))
@@ -460,8 +460,11 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<SpawnGroup> getSpawnGroup(String name)
 	{
-		final List<SpawnGroup> spawns = new ArrayList<>();
-		_spawns.stream().forEach(spawnTemplate -> spawns.addAll(spawnTemplate.getGroupsByName(name)));
+		final List<SpawnGroup> spawns = new LinkedList<>();
+		for (SpawnTemplate spawnTemplate : _spawns)
+		{
+			spawns.addAll(spawnTemplate.getGroupsByName(name));
+		}
 		return spawns;
 	}
 	
@@ -585,7 +588,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (CommonUtil.contains(id, npc.getId()))
@@ -607,7 +610,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && clazz.isInstance(npc))
@@ -624,7 +627,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs()
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (npc.getCurrentHp() > 0)
@@ -642,7 +645,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((npc.getCurrentHp() > 0) && CommonUtil.contains(id, npc.getId()))
@@ -664,7 +667,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getAliveNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && (npc.getCurrentHp() > 0)) && clazz.isInstance(npc))
diff --git a/L2J_Mobius_05.0_Salvation/java/org/l2jmobius/gameserver/model/instancezone/Instance.java b/L2J_Mobius_05.0_Salvation/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
index b54203f087..9bd79e394f 100644
--- a/L2J_Mobius_05.0_Salvation/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
+++ b/L2J_Mobius_05.0_Salvation/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
@@ -377,7 +377,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Player> getPlayersInsideRadius(ILocational object, int radius)
 	{
-		final List<Player> result = new ArrayList<>();
+		final List<Player> result = new LinkedList<>();
 		for (Player player : _players)
 		{
 			if (player.isInsideRadius3D(object, radius))
@@ -460,8 +460,11 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<SpawnGroup> getSpawnGroup(String name)
 	{
-		final List<SpawnGroup> spawns = new ArrayList<>();
-		_spawns.stream().forEach(spawnTemplate -> spawns.addAll(spawnTemplate.getGroupsByName(name)));
+		final List<SpawnGroup> spawns = new LinkedList<>();
+		for (SpawnTemplate spawnTemplate : _spawns)
+		{
+			spawns.addAll(spawnTemplate.getGroupsByName(name));
+		}
 		return spawns;
 	}
 	
@@ -585,7 +588,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (CommonUtil.contains(id, npc.getId()))
@@ -607,7 +610,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && clazz.isInstance(npc))
@@ -624,7 +627,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs()
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (npc.getCurrentHp() > 0)
@@ -642,7 +645,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((npc.getCurrentHp() > 0) && CommonUtil.contains(id, npc.getId()))
@@ -664,7 +667,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getAliveNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && (npc.getCurrentHp() > 0)) && clazz.isInstance(npc))
diff --git a/L2J_Mobius_05.5_EtinasFate/java/org/l2jmobius/gameserver/model/instancezone/Instance.java b/L2J_Mobius_05.5_EtinasFate/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
index bd2adaf27f..fd808f8ad2 100644
--- a/L2J_Mobius_05.5_EtinasFate/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
+++ b/L2J_Mobius_05.5_EtinasFate/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
@@ -377,7 +377,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Player> getPlayersInsideRadius(ILocational object, int radius)
 	{
-		final List<Player> result = new ArrayList<>();
+		final List<Player> result = new LinkedList<>();
 		for (Player player : _players)
 		{
 			if (player.isInsideRadius3D(object, radius))
@@ -460,8 +460,11 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<SpawnGroup> getSpawnGroup(String name)
 	{
-		final List<SpawnGroup> spawns = new ArrayList<>();
-		_spawns.stream().forEach(spawnTemplate -> spawns.addAll(spawnTemplate.getGroupsByName(name)));
+		final List<SpawnGroup> spawns = new LinkedList<>();
+		for (SpawnTemplate spawnTemplate : _spawns)
+		{
+			spawns.addAll(spawnTemplate.getGroupsByName(name));
+		}
 		return spawns;
 	}
 	
@@ -585,7 +588,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (CommonUtil.contains(id, npc.getId()))
@@ -607,7 +610,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && clazz.isInstance(npc))
@@ -624,7 +627,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs()
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (npc.getCurrentHp() > 0)
@@ -642,7 +645,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((npc.getCurrentHp() > 0) && CommonUtil.contains(id, npc.getId()))
@@ -664,7 +667,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getAliveNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && (npc.getCurrentHp() > 0)) && clazz.isInstance(npc))
diff --git a/L2J_Mobius_06.0_Fafurion/java/org/l2jmobius/gameserver/model/instancezone/Instance.java b/L2J_Mobius_06.0_Fafurion/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
index bd2adaf27f..fd808f8ad2 100644
--- a/L2J_Mobius_06.0_Fafurion/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
+++ b/L2J_Mobius_06.0_Fafurion/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
@@ -377,7 +377,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Player> getPlayersInsideRadius(ILocational object, int radius)
 	{
-		final List<Player> result = new ArrayList<>();
+		final List<Player> result = new LinkedList<>();
 		for (Player player : _players)
 		{
 			if (player.isInsideRadius3D(object, radius))
@@ -460,8 +460,11 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<SpawnGroup> getSpawnGroup(String name)
 	{
-		final List<SpawnGroup> spawns = new ArrayList<>();
-		_spawns.stream().forEach(spawnTemplate -> spawns.addAll(spawnTemplate.getGroupsByName(name)));
+		final List<SpawnGroup> spawns = new LinkedList<>();
+		for (SpawnTemplate spawnTemplate : _spawns)
+		{
+			spawns.addAll(spawnTemplate.getGroupsByName(name));
+		}
 		return spawns;
 	}
 	
@@ -585,7 +588,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (CommonUtil.contains(id, npc.getId()))
@@ -607,7 +610,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && clazz.isInstance(npc))
@@ -624,7 +627,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs()
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (npc.getCurrentHp() > 0)
@@ -642,7 +645,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((npc.getCurrentHp() > 0) && CommonUtil.contains(id, npc.getId()))
@@ -664,7 +667,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getAliveNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && (npc.getCurrentHp() > 0)) && clazz.isInstance(npc))
diff --git a/L2J_Mobius_07.0_PreludeOfWar/java/org/l2jmobius/gameserver/model/instancezone/Instance.java b/L2J_Mobius_07.0_PreludeOfWar/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
index 6417df98c9..5172d566a8 100644
--- a/L2J_Mobius_07.0_PreludeOfWar/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
+++ b/L2J_Mobius_07.0_PreludeOfWar/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
@@ -377,7 +377,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Player> getPlayersInsideRadius(ILocational object, int radius)
 	{
-		final List<Player> result = new ArrayList<>();
+		final List<Player> result = new LinkedList<>();
 		for (Player player : _players)
 		{
 			if (player.isInsideRadius3D(object, radius))
@@ -460,8 +460,11 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<SpawnGroup> getSpawnGroup(String name)
 	{
-		final List<SpawnGroup> spawns = new ArrayList<>();
-		_spawns.stream().forEach(spawnTemplate -> spawns.addAll(spawnTemplate.getGroupsByName(name)));
+		final List<SpawnGroup> spawns = new LinkedList<>();
+		for (SpawnTemplate spawnTemplate : _spawns)
+		{
+			spawns.addAll(spawnTemplate.getGroupsByName(name));
+		}
 		return spawns;
 	}
 	
@@ -585,7 +588,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (CommonUtil.contains(id, npc.getId()))
@@ -607,7 +610,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && clazz.isInstance(npc))
@@ -624,7 +627,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs()
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (npc.getCurrentHp() > 0)
@@ -642,7 +645,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((npc.getCurrentHp() > 0) && CommonUtil.contains(id, npc.getId()))
@@ -664,7 +667,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getAliveNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && (npc.getCurrentHp() > 0)) && clazz.isInstance(npc))
diff --git a/L2J_Mobius_08.2_Homunculus/java/org/l2jmobius/gameserver/model/instancezone/Instance.java b/L2J_Mobius_08.2_Homunculus/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
index 6417df98c9..5172d566a8 100644
--- a/L2J_Mobius_08.2_Homunculus/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
+++ b/L2J_Mobius_08.2_Homunculus/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
@@ -377,7 +377,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Player> getPlayersInsideRadius(ILocational object, int radius)
 	{
-		final List<Player> result = new ArrayList<>();
+		final List<Player> result = new LinkedList<>();
 		for (Player player : _players)
 		{
 			if (player.isInsideRadius3D(object, radius))
@@ -460,8 +460,11 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<SpawnGroup> getSpawnGroup(String name)
 	{
-		final List<SpawnGroup> spawns = new ArrayList<>();
-		_spawns.stream().forEach(spawnTemplate -> spawns.addAll(spawnTemplate.getGroupsByName(name)));
+		final List<SpawnGroup> spawns = new LinkedList<>();
+		for (SpawnTemplate spawnTemplate : _spawns)
+		{
+			spawns.addAll(spawnTemplate.getGroupsByName(name));
+		}
 		return spawns;
 	}
 	
@@ -585,7 +588,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (CommonUtil.contains(id, npc.getId()))
@@ -607,7 +610,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && clazz.isInstance(npc))
@@ -624,7 +627,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs()
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (npc.getCurrentHp() > 0)
@@ -642,7 +645,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((npc.getCurrentHp() > 0) && CommonUtil.contains(id, npc.getId()))
@@ -664,7 +667,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getAliveNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && (npc.getCurrentHp() > 0)) && clazz.isInstance(npc))
diff --git a/L2J_Mobius_09.2_ReturnOfTheQueenAnt/java/org/l2jmobius/gameserver/model/instancezone/Instance.java b/L2J_Mobius_09.2_ReturnOfTheQueenAnt/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
index 6417df98c9..5172d566a8 100644
--- a/L2J_Mobius_09.2_ReturnOfTheQueenAnt/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
+++ b/L2J_Mobius_09.2_ReturnOfTheQueenAnt/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
@@ -377,7 +377,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Player> getPlayersInsideRadius(ILocational object, int radius)
 	{
-		final List<Player> result = new ArrayList<>();
+		final List<Player> result = new LinkedList<>();
 		for (Player player : _players)
 		{
 			if (player.isInsideRadius3D(object, radius))
@@ -460,8 +460,11 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<SpawnGroup> getSpawnGroup(String name)
 	{
-		final List<SpawnGroup> spawns = new ArrayList<>();
-		_spawns.stream().forEach(spawnTemplate -> spawns.addAll(spawnTemplate.getGroupsByName(name)));
+		final List<SpawnGroup> spawns = new LinkedList<>();
+		for (SpawnTemplate spawnTemplate : _spawns)
+		{
+			spawns.addAll(spawnTemplate.getGroupsByName(name));
+		}
 		return spawns;
 	}
 	
@@ -585,7 +588,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (CommonUtil.contains(id, npc.getId()))
@@ -607,7 +610,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && clazz.isInstance(npc))
@@ -624,7 +627,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs()
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (npc.getCurrentHp() > 0)
@@ -642,7 +645,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((npc.getCurrentHp() > 0) && CommonUtil.contains(id, npc.getId()))
@@ -664,7 +667,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getAliveNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && (npc.getCurrentHp() > 0)) && clazz.isInstance(npc))
diff --git a/L2J_Mobius_10.0_MasterClass/java/org/l2jmobius/gameserver/model/instancezone/Instance.java b/L2J_Mobius_10.0_MasterClass/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
index 4bddfbcba9..c6a359d343 100644
--- a/L2J_Mobius_10.0_MasterClass/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
+++ b/L2J_Mobius_10.0_MasterClass/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
@@ -377,7 +377,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Player> getPlayersInsideRadius(ILocational object, int radius)
 	{
-		final List<Player> result = new ArrayList<>();
+		final List<Player> result = new LinkedList<>();
 		for (Player player : _players)
 		{
 			if (player.isInsideRadius3D(object, radius))
@@ -460,8 +460,11 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<SpawnGroup> getSpawnGroup(String name)
 	{
-		final List<SpawnGroup> spawns = new ArrayList<>();
-		_spawns.stream().forEach(spawnTemplate -> spawns.addAll(spawnTemplate.getGroupsByName(name)));
+		final List<SpawnGroup> spawns = new LinkedList<>();
+		for (SpawnTemplate spawnTemplate : _spawns)
+		{
+			spawns.addAll(spawnTemplate.getGroupsByName(name));
+		}
 		return spawns;
 	}
 	
@@ -585,7 +588,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (CommonUtil.contains(id, npc.getId()))
@@ -607,7 +610,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && clazz.isInstance(npc))
@@ -624,7 +627,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs()
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (npc.getCurrentHp() > 0)
@@ -642,7 +645,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((npc.getCurrentHp() > 0) && CommonUtil.contains(id, npc.getId()))
@@ -664,7 +667,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getAliveNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && (npc.getCurrentHp() > 0)) && clazz.isInstance(npc))
diff --git a/L2J_Mobius_CT_2.4_Epilogue/java/org/l2jmobius/gameserver/model/instancezone/InstanceWorld.java b/L2J_Mobius_CT_2.4_Epilogue/java/org/l2jmobius/gameserver/model/instancezone/InstanceWorld.java
index 51bc28fddf..0b9afe4813 100644
--- a/L2J_Mobius_CT_2.4_Epilogue/java/org/l2jmobius/gameserver/model/instancezone/InstanceWorld.java
+++ b/L2J_Mobius_CT_2.4_Epilogue/java/org/l2jmobius/gameserver/model/instancezone/InstanceWorld.java
@@ -18,6 +18,7 @@ package org.l2jmobius.gameserver.model.instancezone;
 
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.LinkedList;
 import java.util.List;
 import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
@@ -175,23 +176,6 @@ public class InstanceWorld
 		return _instance.getNpcs();
 	}
 	
-	/**
-	 * Get alive NPCs from instance.
-	 * @return set of NPCs from instance
-	 */
-	public List<Npc> getAliveNpcs()
-	{
-		final List<Npc> result = new ArrayList<>();
-		for (Npc npc : _instance.getNpcs())
-		{
-			if (npc.getCurrentHp() > 0)
-			{
-				result.add(npc);
-			}
-		}
-		return result;
-	}
-	
 	/**
 	 * Get spawned NPCs from instance with specific IDs.
 	 * @param id IDs of NPCs which should be found
@@ -199,7 +183,7 @@ public class InstanceWorld
 	 */
 	public List<Npc> getNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _instance.getNpcs())
 		{
 			if (CommonUtil.contains(id, npc.getId()))
@@ -221,7 +205,7 @@ public class InstanceWorld
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _instance.getNpcs())
 		{
 			if (((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && clazz.isInstance(npc))
@@ -232,6 +216,41 @@ public class InstanceWorld
 		return result;
 	}
 	
+	/**
+	 * Get alive NPCs from instance.
+	 * @return set of NPCs from instance
+	 */
+	public List<Npc> getAliveNpcs()
+	{
+		final List<Npc> result = new LinkedList<>();
+		for (Npc npc : _instance.getNpcs())
+		{
+			if (npc.getCurrentHp() > 0)
+			{
+				result.add(npc);
+			}
+		}
+		return result;
+	}
+	
+	/**
+	 * Get alive NPCs from instance with specific IDs.
+	 * @param id IDs of NPCs which should be found
+	 * @return list of filtered NPCs from instance
+	 */
+	public List<Npc> getAliveNpcs(int... id)
+	{
+		final List<Npc> result = new LinkedList<>();
+		for (Npc npc : _instance.getNpcs())
+		{
+			if ((npc.getCurrentHp() > 0) && CommonUtil.contains(id, npc.getId()))
+			{
+				result.add(npc);
+			}
+		}
+		return result;
+	}
+	
 	/**
 	 * Get spawned and alive NPCs from instance with specific IDs and class type.
 	 * @param <T>
@@ -243,7 +262,7 @@ public class InstanceWorld
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getAliveNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _instance.getNpcs())
 		{
 			if ((((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && (npc.getCurrentHp() > 0)) && clazz.isInstance(npc))
@@ -254,24 +273,6 @@ public class InstanceWorld
 		return result;
 	}
 	
-	/**
-	 * Get alive NPCs from instance with specific IDs.
-	 * @param id IDs of NPCs which should be found
-	 * @return list of filtered NPCs from instance
-	 */
-	public List<Npc> getAliveNpcs(int... id)
-	{
-		final List<Npc> result = new ArrayList<>();
-		for (Npc npc : _instance.getNpcs())
-		{
-			if ((npc.getCurrentHp() > 0) && CommonUtil.contains(id, npc.getId()))
-			{
-				result.add(npc);
-			}
-		}
-		return result;
-	}
-	
 	/**
 	 * Get first found spawned NPC with specific ID.
 	 * @param id ID of NPC to be found
diff --git a/L2J_Mobius_CT_2.6_HighFive/java/org/l2jmobius/gameserver/model/instancezone/InstanceWorld.java b/L2J_Mobius_CT_2.6_HighFive/java/org/l2jmobius/gameserver/model/instancezone/InstanceWorld.java
index 51bc28fddf..0b9afe4813 100644
--- a/L2J_Mobius_CT_2.6_HighFive/java/org/l2jmobius/gameserver/model/instancezone/InstanceWorld.java
+++ b/L2J_Mobius_CT_2.6_HighFive/java/org/l2jmobius/gameserver/model/instancezone/InstanceWorld.java
@@ -18,6 +18,7 @@ package org.l2jmobius.gameserver.model.instancezone;
 
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.LinkedList;
 import java.util.List;
 import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
@@ -175,23 +176,6 @@ public class InstanceWorld
 		return _instance.getNpcs();
 	}
 	
-	/**
-	 * Get alive NPCs from instance.
-	 * @return set of NPCs from instance
-	 */
-	public List<Npc> getAliveNpcs()
-	{
-		final List<Npc> result = new ArrayList<>();
-		for (Npc npc : _instance.getNpcs())
-		{
-			if (npc.getCurrentHp() > 0)
-			{
-				result.add(npc);
-			}
-		}
-		return result;
-	}
-	
 	/**
 	 * Get spawned NPCs from instance with specific IDs.
 	 * @param id IDs of NPCs which should be found
@@ -199,7 +183,7 @@ public class InstanceWorld
 	 */
 	public List<Npc> getNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _instance.getNpcs())
 		{
 			if (CommonUtil.contains(id, npc.getId()))
@@ -221,7 +205,7 @@ public class InstanceWorld
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _instance.getNpcs())
 		{
 			if (((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && clazz.isInstance(npc))
@@ -232,6 +216,41 @@ public class InstanceWorld
 		return result;
 	}
 	
+	/**
+	 * Get alive NPCs from instance.
+	 * @return set of NPCs from instance
+	 */
+	public List<Npc> getAliveNpcs()
+	{
+		final List<Npc> result = new LinkedList<>();
+		for (Npc npc : _instance.getNpcs())
+		{
+			if (npc.getCurrentHp() > 0)
+			{
+				result.add(npc);
+			}
+		}
+		return result;
+	}
+	
+	/**
+	 * Get alive NPCs from instance with specific IDs.
+	 * @param id IDs of NPCs which should be found
+	 * @return list of filtered NPCs from instance
+	 */
+	public List<Npc> getAliveNpcs(int... id)
+	{
+		final List<Npc> result = new LinkedList<>();
+		for (Npc npc : _instance.getNpcs())
+		{
+			if ((npc.getCurrentHp() > 0) && CommonUtil.contains(id, npc.getId()))
+			{
+				result.add(npc);
+			}
+		}
+		return result;
+	}
+	
 	/**
 	 * Get spawned and alive NPCs from instance with specific IDs and class type.
 	 * @param <T>
@@ -243,7 +262,7 @@ public class InstanceWorld
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getAliveNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _instance.getNpcs())
 		{
 			if ((((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && (npc.getCurrentHp() > 0)) && clazz.isInstance(npc))
@@ -254,24 +273,6 @@ public class InstanceWorld
 		return result;
 	}
 	
-	/**
-	 * Get alive NPCs from instance with specific IDs.
-	 * @param id IDs of NPCs which should be found
-	 * @return list of filtered NPCs from instance
-	 */
-	public List<Npc> getAliveNpcs(int... id)
-	{
-		final List<Npc> result = new ArrayList<>();
-		for (Npc npc : _instance.getNpcs())
-		{
-			if ((npc.getCurrentHp() > 0) && CommonUtil.contains(id, npc.getId()))
-			{
-				result.add(npc);
-			}
-		}
-		return result;
-	}
-	
 	/**
 	 * Get first found spawned NPC with specific ID.
 	 * @param id ID of NPC to be found
diff --git a/L2J_Mobius_Classic_2.0_Saviors/java/org/l2jmobius/gameserver/model/instancezone/Instance.java b/L2J_Mobius_Classic_2.0_Saviors/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
index bd2adaf27f..fd808f8ad2 100644
--- a/L2J_Mobius_Classic_2.0_Saviors/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
+++ b/L2J_Mobius_Classic_2.0_Saviors/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
@@ -377,7 +377,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Player> getPlayersInsideRadius(ILocational object, int radius)
 	{
-		final List<Player> result = new ArrayList<>();
+		final List<Player> result = new LinkedList<>();
 		for (Player player : _players)
 		{
 			if (player.isInsideRadius3D(object, radius))
@@ -460,8 +460,11 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<SpawnGroup> getSpawnGroup(String name)
 	{
-		final List<SpawnGroup> spawns = new ArrayList<>();
-		_spawns.stream().forEach(spawnTemplate -> spawns.addAll(spawnTemplate.getGroupsByName(name)));
+		final List<SpawnGroup> spawns = new LinkedList<>();
+		for (SpawnTemplate spawnTemplate : _spawns)
+		{
+			spawns.addAll(spawnTemplate.getGroupsByName(name));
+		}
 		return spawns;
 	}
 	
@@ -585,7 +588,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (CommonUtil.contains(id, npc.getId()))
@@ -607,7 +610,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && clazz.isInstance(npc))
@@ -624,7 +627,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs()
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (npc.getCurrentHp() > 0)
@@ -642,7 +645,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((npc.getCurrentHp() > 0) && CommonUtil.contains(id, npc.getId()))
@@ -664,7 +667,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getAliveNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && (npc.getCurrentHp() > 0)) && clazz.isInstance(npc))
diff --git a/L2J_Mobius_Classic_2.1_Zaken/java/org/l2jmobius/gameserver/model/instancezone/Instance.java b/L2J_Mobius_Classic_2.1_Zaken/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
index bd2adaf27f..fd808f8ad2 100644
--- a/L2J_Mobius_Classic_2.1_Zaken/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
+++ b/L2J_Mobius_Classic_2.1_Zaken/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
@@ -377,7 +377,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Player> getPlayersInsideRadius(ILocational object, int radius)
 	{
-		final List<Player> result = new ArrayList<>();
+		final List<Player> result = new LinkedList<>();
 		for (Player player : _players)
 		{
 			if (player.isInsideRadius3D(object, radius))
@@ -460,8 +460,11 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<SpawnGroup> getSpawnGroup(String name)
 	{
-		final List<SpawnGroup> spawns = new ArrayList<>();
-		_spawns.stream().forEach(spawnTemplate -> spawns.addAll(spawnTemplate.getGroupsByName(name)));
+		final List<SpawnGroup> spawns = new LinkedList<>();
+		for (SpawnTemplate spawnTemplate : _spawns)
+		{
+			spawns.addAll(spawnTemplate.getGroupsByName(name));
+		}
 		return spawns;
 	}
 	
@@ -585,7 +588,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (CommonUtil.contains(id, npc.getId()))
@@ -607,7 +610,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && clazz.isInstance(npc))
@@ -624,7 +627,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs()
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (npc.getCurrentHp() > 0)
@@ -642,7 +645,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((npc.getCurrentHp() > 0) && CommonUtil.contains(id, npc.getId()))
@@ -664,7 +667,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getAliveNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && (npc.getCurrentHp() > 0)) && clazz.isInstance(npc))
diff --git a/L2J_Mobius_Classic_2.2_Antharas/java/org/l2jmobius/gameserver/model/instancezone/Instance.java b/L2J_Mobius_Classic_2.2_Antharas/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
index bd2adaf27f..fd808f8ad2 100644
--- a/L2J_Mobius_Classic_2.2_Antharas/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
+++ b/L2J_Mobius_Classic_2.2_Antharas/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
@@ -377,7 +377,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Player> getPlayersInsideRadius(ILocational object, int radius)
 	{
-		final List<Player> result = new ArrayList<>();
+		final List<Player> result = new LinkedList<>();
 		for (Player player : _players)
 		{
 			if (player.isInsideRadius3D(object, radius))
@@ -460,8 +460,11 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<SpawnGroup> getSpawnGroup(String name)
 	{
-		final List<SpawnGroup> spawns = new ArrayList<>();
-		_spawns.stream().forEach(spawnTemplate -> spawns.addAll(spawnTemplate.getGroupsByName(name)));
+		final List<SpawnGroup> spawns = new LinkedList<>();
+		for (SpawnTemplate spawnTemplate : _spawns)
+		{
+			spawns.addAll(spawnTemplate.getGroupsByName(name));
+		}
 		return spawns;
 	}
 	
@@ -585,7 +588,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (CommonUtil.contains(id, npc.getId()))
@@ -607,7 +610,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && clazz.isInstance(npc))
@@ -624,7 +627,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs()
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (npc.getCurrentHp() > 0)
@@ -642,7 +645,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((npc.getCurrentHp() > 0) && CommonUtil.contains(id, npc.getId()))
@@ -664,7 +667,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getAliveNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && (npc.getCurrentHp() > 0)) && clazz.isInstance(npc))
diff --git a/L2J_Mobius_Classic_2.3_SevenSigns/java/org/l2jmobius/gameserver/model/instancezone/Instance.java b/L2J_Mobius_Classic_2.3_SevenSigns/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
index 6417df98c9..5172d566a8 100644
--- a/L2J_Mobius_Classic_2.3_SevenSigns/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
+++ b/L2J_Mobius_Classic_2.3_SevenSigns/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
@@ -377,7 +377,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Player> getPlayersInsideRadius(ILocational object, int radius)
 	{
-		final List<Player> result = new ArrayList<>();
+		final List<Player> result = new LinkedList<>();
 		for (Player player : _players)
 		{
 			if (player.isInsideRadius3D(object, radius))
@@ -460,8 +460,11 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<SpawnGroup> getSpawnGroup(String name)
 	{
-		final List<SpawnGroup> spawns = new ArrayList<>();
-		_spawns.stream().forEach(spawnTemplate -> spawns.addAll(spawnTemplate.getGroupsByName(name)));
+		final List<SpawnGroup> spawns = new LinkedList<>();
+		for (SpawnTemplate spawnTemplate : _spawns)
+		{
+			spawns.addAll(spawnTemplate.getGroupsByName(name));
+		}
 		return spawns;
 	}
 	
@@ -585,7 +588,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (CommonUtil.contains(id, npc.getId()))
@@ -607,7 +610,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && clazz.isInstance(npc))
@@ -624,7 +627,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs()
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (npc.getCurrentHp() > 0)
@@ -642,7 +645,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((npc.getCurrentHp() > 0) && CommonUtil.contains(id, npc.getId()))
@@ -664,7 +667,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getAliveNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && (npc.getCurrentHp() > 0)) && clazz.isInstance(npc))
diff --git a/L2J_Mobius_Classic_2.4_SecretOfEmpire/java/org/l2jmobius/gameserver/model/instancezone/Instance.java b/L2J_Mobius_Classic_2.4_SecretOfEmpire/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
index 6417df98c9..5172d566a8 100644
--- a/L2J_Mobius_Classic_2.4_SecretOfEmpire/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
+++ b/L2J_Mobius_Classic_2.4_SecretOfEmpire/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
@@ -377,7 +377,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Player> getPlayersInsideRadius(ILocational object, int radius)
 	{
-		final List<Player> result = new ArrayList<>();
+		final List<Player> result = new LinkedList<>();
 		for (Player player : _players)
 		{
 			if (player.isInsideRadius3D(object, radius))
@@ -460,8 +460,11 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<SpawnGroup> getSpawnGroup(String name)
 	{
-		final List<SpawnGroup> spawns = new ArrayList<>();
-		_spawns.stream().forEach(spawnTemplate -> spawns.addAll(spawnTemplate.getGroupsByName(name)));
+		final List<SpawnGroup> spawns = new LinkedList<>();
+		for (SpawnTemplate spawnTemplate : _spawns)
+		{
+			spawns.addAll(spawnTemplate.getGroupsByName(name));
+		}
 		return spawns;
 	}
 	
@@ -585,7 +588,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (CommonUtil.contains(id, npc.getId()))
@@ -607,7 +610,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && clazz.isInstance(npc))
@@ -624,7 +627,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs()
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (npc.getCurrentHp() > 0)
@@ -642,7 +645,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((npc.getCurrentHp() > 0) && CommonUtil.contains(id, npc.getId()))
@@ -664,7 +667,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getAliveNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && (npc.getCurrentHp() > 0)) && clazz.isInstance(npc))
diff --git a/L2J_Mobius_Classic_3.0_TheKamael/java/org/l2jmobius/gameserver/model/instancezone/Instance.java b/L2J_Mobius_Classic_3.0_TheKamael/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
index 6417df98c9..5172d566a8 100644
--- a/L2J_Mobius_Classic_3.0_TheKamael/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
+++ b/L2J_Mobius_Classic_3.0_TheKamael/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
@@ -377,7 +377,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Player> getPlayersInsideRadius(ILocational object, int radius)
 	{
-		final List<Player> result = new ArrayList<>();
+		final List<Player> result = new LinkedList<>();
 		for (Player player : _players)
 		{
 			if (player.isInsideRadius3D(object, radius))
@@ -460,8 +460,11 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<SpawnGroup> getSpawnGroup(String name)
 	{
-		final List<SpawnGroup> spawns = new ArrayList<>();
-		_spawns.stream().forEach(spawnTemplate -> spawns.addAll(spawnTemplate.getGroupsByName(name)));
+		final List<SpawnGroup> spawns = new LinkedList<>();
+		for (SpawnTemplate spawnTemplate : _spawns)
+		{
+			spawns.addAll(spawnTemplate.getGroupsByName(name));
+		}
 		return spawns;
 	}
 	
@@ -585,7 +588,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (CommonUtil.contains(id, npc.getId()))
@@ -607,7 +610,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && clazz.isInstance(npc))
@@ -624,7 +627,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs()
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (npc.getCurrentHp() > 0)
@@ -642,7 +645,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((npc.getCurrentHp() > 0) && CommonUtil.contains(id, npc.getId()))
@@ -664,7 +667,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getAliveNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && (npc.getCurrentHp() > 0)) && clazz.isInstance(npc))
diff --git a/L2J_Mobius_Classic_Interlude/java/org/l2jmobius/gameserver/model/instancezone/Instance.java b/L2J_Mobius_Classic_Interlude/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
index bd2adaf27f..fd808f8ad2 100644
--- a/L2J_Mobius_Classic_Interlude/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
+++ b/L2J_Mobius_Classic_Interlude/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
@@ -377,7 +377,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Player> getPlayersInsideRadius(ILocational object, int radius)
 	{
-		final List<Player> result = new ArrayList<>();
+		final List<Player> result = new LinkedList<>();
 		for (Player player : _players)
 		{
 			if (player.isInsideRadius3D(object, radius))
@@ -460,8 +460,11 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<SpawnGroup> getSpawnGroup(String name)
 	{
-		final List<SpawnGroup> spawns = new ArrayList<>();
-		_spawns.stream().forEach(spawnTemplate -> spawns.addAll(spawnTemplate.getGroupsByName(name)));
+		final List<SpawnGroup> spawns = new LinkedList<>();
+		for (SpawnTemplate spawnTemplate : _spawns)
+		{
+			spawns.addAll(spawnTemplate.getGroupsByName(name));
+		}
 		return spawns;
 	}
 	
@@ -585,7 +588,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (CommonUtil.contains(id, npc.getId()))
@@ -607,7 +610,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && clazz.isInstance(npc))
@@ -624,7 +627,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs()
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (npc.getCurrentHp() > 0)
@@ -642,7 +645,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((npc.getCurrentHp() > 0) && CommonUtil.contains(id, npc.getId()))
@@ -664,7 +667,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getAliveNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && (npc.getCurrentHp() > 0)) && clazz.isInstance(npc))
diff --git a/L2J_Mobius_Essence_4.2_DwellingOfSpirits/java/org/l2jmobius/gameserver/model/instancezone/Instance.java b/L2J_Mobius_Essence_4.2_DwellingOfSpirits/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
index 4bddfbcba9..c6a359d343 100644
--- a/L2J_Mobius_Essence_4.2_DwellingOfSpirits/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
+++ b/L2J_Mobius_Essence_4.2_DwellingOfSpirits/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
@@ -377,7 +377,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Player> getPlayersInsideRadius(ILocational object, int radius)
 	{
-		final List<Player> result = new ArrayList<>();
+		final List<Player> result = new LinkedList<>();
 		for (Player player : _players)
 		{
 			if (player.isInsideRadius3D(object, radius))
@@ -460,8 +460,11 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<SpawnGroup> getSpawnGroup(String name)
 	{
-		final List<SpawnGroup> spawns = new ArrayList<>();
-		_spawns.stream().forEach(spawnTemplate -> spawns.addAll(spawnTemplate.getGroupsByName(name)));
+		final List<SpawnGroup> spawns = new LinkedList<>();
+		for (SpawnTemplate spawnTemplate : _spawns)
+		{
+			spawns.addAll(spawnTemplate.getGroupsByName(name));
+		}
 		return spawns;
 	}
 	
@@ -585,7 +588,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (CommonUtil.contains(id, npc.getId()))
@@ -607,7 +610,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && clazz.isInstance(npc))
@@ -624,7 +627,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs()
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (npc.getCurrentHp() > 0)
@@ -642,7 +645,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((npc.getCurrentHp() > 0) && CommonUtil.contains(id, npc.getId()))
@@ -664,7 +667,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getAliveNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && (npc.getCurrentHp() > 0)) && clazz.isInstance(npc))
diff --git a/L2J_Mobius_Essence_5.2_FrostLord/java/org/l2jmobius/gameserver/model/instancezone/Instance.java b/L2J_Mobius_Essence_5.2_FrostLord/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
index 4bddfbcba9..c6a359d343 100644
--- a/L2J_Mobius_Essence_5.2_FrostLord/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
+++ b/L2J_Mobius_Essence_5.2_FrostLord/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
@@ -377,7 +377,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Player> getPlayersInsideRadius(ILocational object, int radius)
 	{
-		final List<Player> result = new ArrayList<>();
+		final List<Player> result = new LinkedList<>();
 		for (Player player : _players)
 		{
 			if (player.isInsideRadius3D(object, radius))
@@ -460,8 +460,11 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<SpawnGroup> getSpawnGroup(String name)
 	{
-		final List<SpawnGroup> spawns = new ArrayList<>();
-		_spawns.stream().forEach(spawnTemplate -> spawns.addAll(spawnTemplate.getGroupsByName(name)));
+		final List<SpawnGroup> spawns = new LinkedList<>();
+		for (SpawnTemplate spawnTemplate : _spawns)
+		{
+			spawns.addAll(spawnTemplate.getGroupsByName(name));
+		}
 		return spawns;
 	}
 	
@@ -585,7 +588,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (CommonUtil.contains(id, npc.getId()))
@@ -607,7 +610,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && clazz.isInstance(npc))
@@ -624,7 +627,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs()
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (npc.getCurrentHp() > 0)
@@ -642,7 +645,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((npc.getCurrentHp() > 0) && CommonUtil.contains(id, npc.getId()))
@@ -664,7 +667,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getAliveNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && (npc.getCurrentHp() > 0)) && clazz.isInstance(npc))
diff --git a/L2J_Mobius_Essence_6.0_BattleChronicle/java/org/l2jmobius/gameserver/model/instancezone/Instance.java b/L2J_Mobius_Essence_6.0_BattleChronicle/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
index 4bddfbcba9..c6a359d343 100644
--- a/L2J_Mobius_Essence_6.0_BattleChronicle/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
+++ b/L2J_Mobius_Essence_6.0_BattleChronicle/java/org/l2jmobius/gameserver/model/instancezone/Instance.java
@@ -377,7 +377,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Player> getPlayersInsideRadius(ILocational object, int radius)
 	{
-		final List<Player> result = new ArrayList<>();
+		final List<Player> result = new LinkedList<>();
 		for (Player player : _players)
 		{
 			if (player.isInsideRadius3D(object, radius))
@@ -460,8 +460,11 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<SpawnGroup> getSpawnGroup(String name)
 	{
-		final List<SpawnGroup> spawns = new ArrayList<>();
-		_spawns.stream().forEach(spawnTemplate -> spawns.addAll(spawnTemplate.getGroupsByName(name)));
+		final List<SpawnGroup> spawns = new LinkedList<>();
+		for (SpawnTemplate spawnTemplate : _spawns)
+		{
+			spawns.addAll(spawnTemplate.getGroupsByName(name));
+		}
 		return spawns;
 	}
 	
@@ -585,7 +588,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (CommonUtil.contains(id, npc.getId()))
@@ -607,7 +610,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && clazz.isInstance(npc))
@@ -624,7 +627,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs()
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if (npc.getCurrentHp() > 0)
@@ -642,7 +645,7 @@ public class Instance implements IIdentifiable, INamable
 	 */
 	public List<Npc> getAliveNpcs(int... id)
 	{
-		final List<Npc> result = new ArrayList<>();
+		final List<Npc> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((npc.getCurrentHp() > 0) && CommonUtil.contains(id, npc.getId()))
@@ -664,7 +667,7 @@ public class Instance implements IIdentifiable, INamable
 	@SuppressWarnings("unchecked")
 	public final <T extends Creature> List<T> getAliveNpcs(Class<T> clazz, int... ids)
 	{
-		final List<T> result = new ArrayList<>();
+		final List<T> result = new LinkedList<>();
 		for (Npc npc : _npcs)
 		{
 			if ((((ids.length == 0) || CommonUtil.contains(ids, npc.getId())) && (npc.getCurrentHp() > 0)) && clazz.isInstance(npc))