diff --git a/L2J_Mobius_1.0_Ertheia/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java b/L2J_Mobius_1.0_Ertheia/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java
index b839e0abe6..4b0eb848f5 100644
--- a/L2J_Mobius_1.0_Ertheia/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java
+++ b/L2J_Mobius_1.0_Ertheia/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java
@@ -446,7 +446,7 @@ public class LastImperialTomb extends AbstractInstance
 				if (world != null)
 				{
 					final Map<Npc, Integer> portraits = world.getParameters().getMap("portraits", Npc.class, Integer.class);
-					if (!portraits.isEmpty())
+					if ((portraits != null) && !portraits.isEmpty())
 					{
 						final List<Npc> demons = world.getParameters().getList("demons", Npc.class);
 						for (int i : portraits.values())
diff --git a/L2J_Mobius_2.5_Underground/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java b/L2J_Mobius_2.5_Underground/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java
index b839e0abe6..4b0eb848f5 100644
--- a/L2J_Mobius_2.5_Underground/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java
+++ b/L2J_Mobius_2.5_Underground/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java
@@ -446,7 +446,7 @@ public class LastImperialTomb extends AbstractInstance
 				if (world != null)
 				{
 					final Map<Npc, Integer> portraits = world.getParameters().getMap("portraits", Npc.class, Integer.class);
-					if (!portraits.isEmpty())
+					if ((portraits != null) && !portraits.isEmpty())
 					{
 						final List<Npc> demons = world.getParameters().getList("demons", Npc.class);
 						for (int i : portraits.values())
diff --git a/L2J_Mobius_3.0_Helios/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java
index b839e0abe6..4b0eb848f5 100644
--- a/L2J_Mobius_3.0_Helios/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java
+++ b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java
@@ -446,7 +446,7 @@ public class LastImperialTomb extends AbstractInstance
 				if (world != null)
 				{
 					final Map<Npc, Integer> portraits = world.getParameters().getMap("portraits", Npc.class, Integer.class);
-					if (!portraits.isEmpty())
+					if ((portraits != null) && !portraits.isEmpty())
 					{
 						final List<Npc> demons = world.getParameters().getList("demons", Npc.class);
 						for (int i : portraits.values())
diff --git a/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java
index b839e0abe6..4b0eb848f5 100644
--- a/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java
+++ b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java
@@ -446,7 +446,7 @@ public class LastImperialTomb extends AbstractInstance
 				if (world != null)
 				{
 					final Map<Npc, Integer> portraits = world.getParameters().getMap("portraits", Npc.class, Integer.class);
-					if (!portraits.isEmpty())
+					if ((portraits != null) && !portraits.isEmpty())
 					{
 						final List<Npc> demons = world.getParameters().getList("demons", Npc.class);
 						for (int i : portraits.values())
diff --git a/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java
index b839e0abe6..4b0eb848f5 100644
--- a/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java
+++ b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java
@@ -446,7 +446,7 @@ public class LastImperialTomb extends AbstractInstance
 				if (world != null)
 				{
 					final Map<Npc, Integer> portraits = world.getParameters().getMap("portraits", Npc.class, Integer.class);
-					if (!portraits.isEmpty())
+					if ((portraits != null) && !portraits.isEmpty())
 					{
 						final List<Npc> demons = world.getParameters().getList("demons", Npc.class);
 						for (int i : portraits.values())
diff --git a/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java
index 6140589ccd..75491bd62f 100644
--- a/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java
+++ b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java
@@ -446,7 +446,7 @@ public class LastImperialTomb extends AbstractInstance
 				if (world != null)
 				{
 					final Map<Npc, Integer> portraits = world.getParameters().getMap("portraits", Npc.class, Integer.class);
-					if (!portraits.isEmpty())
+					if ((portraits != null) && !portraits.isEmpty())
 					{
 						final List<Npc> demons = world.getParameters().getList("demons", Npc.class);
 						for (int i : portraits.values())
diff --git a/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java
index 6140589ccd..75491bd62f 100644
--- a/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java
+++ b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java
@@ -446,7 +446,7 @@ public class LastImperialTomb extends AbstractInstance
 				if (world != null)
 				{
 					final Map<Npc, Integer> portraits = world.getParameters().getMap("portraits", Npc.class, Integer.class);
-					if (!portraits.isEmpty())
+					if ((portraits != null) && !portraits.isEmpty())
 					{
 						final List<Npc> demons = world.getParameters().getList("demons", Npc.class);
 						for (int i : portraits.values())
diff --git a/L2J_Mobius_7.0_PreludeOfWar/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java b/L2J_Mobius_7.0_PreludeOfWar/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java
index b839e0abe6..4b0eb848f5 100644
--- a/L2J_Mobius_7.0_PreludeOfWar/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java
+++ b/L2J_Mobius_7.0_PreludeOfWar/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java
@@ -446,7 +446,7 @@ public class LastImperialTomb extends AbstractInstance
 				if (world != null)
 				{
 					final Map<Npc, Integer> portraits = world.getParameters().getMap("portraits", Npc.class, Integer.class);
-					if (!portraits.isEmpty())
+					if ((portraits != null) && !portraits.isEmpty())
 					{
 						final List<Npc> demons = world.getParameters().getList("demons", Npc.class);
 						for (int i : portraits.values())
diff --git a/L2J_Mobius_Classic_2.4_SecretOfEmpire/dist/game/data/scripts/instances/LastImperialTomb/LastImperialTomb.java b/L2J_Mobius_Classic_2.4_SecretOfEmpire/dist/game/data/scripts/instances/LastImperialTomb/LastImperialTomb.java
index 45f5b4d477..71e68d6af2 100644
--- a/L2J_Mobius_Classic_2.4_SecretOfEmpire/dist/game/data/scripts/instances/LastImperialTomb/LastImperialTomb.java
+++ b/L2J_Mobius_Classic_2.4_SecretOfEmpire/dist/game/data/scripts/instances/LastImperialTomb/LastImperialTomb.java
@@ -448,7 +448,7 @@ public class LastImperialTomb extends AbstractInstance
 				if (world != null)
 				{
 					final Map<Npc, Integer> portraits = world.getParameters().getMap("portraits", Npc.class, Integer.class);
-					if (!portraits.isEmpty())
+					if ((portraits != null) && !portraits.isEmpty())
 					{
 						final List<Npc> demons = world.getParameters().getList("demons", Npc.class);
 						for (int i : portraits.values())
diff --git a/L2J_Mobius_Classic_3.0_TheKamael/dist/game/data/scripts/instances/LastImperialTomb/LastImperialTomb.java b/L2J_Mobius_Classic_3.0_TheKamael/dist/game/data/scripts/instances/LastImperialTomb/LastImperialTomb.java
index 45f5b4d477..71e68d6af2 100644
--- a/L2J_Mobius_Classic_3.0_TheKamael/dist/game/data/scripts/instances/LastImperialTomb/LastImperialTomb.java
+++ b/L2J_Mobius_Classic_3.0_TheKamael/dist/game/data/scripts/instances/LastImperialTomb/LastImperialTomb.java
@@ -448,7 +448,7 @@ public class LastImperialTomb extends AbstractInstance
 				if (world != null)
 				{
 					final Map<Npc, Integer> portraits = world.getParameters().getMap("portraits", Npc.class, Integer.class);
-					if (!portraits.isEmpty())
+					if ((portraits != null) && !portraits.isEmpty())
 					{
 						final List<Npc> demons = world.getParameters().getList("demons", Npc.class);
 						for (int i : portraits.values())
diff --git a/L2J_Mobius_Classic_Interlude/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java b/L2J_Mobius_Classic_Interlude/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java
index b839e0abe6..4b0eb848f5 100644
--- a/L2J_Mobius_Classic_Interlude/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java
+++ b/L2J_Mobius_Classic_Interlude/dist/game/data/scripts/ai/bosses/Frintezza/LastImperialTomb.java
@@ -446,7 +446,7 @@ public class LastImperialTomb extends AbstractInstance
 				if (world != null)
 				{
 					final Map<Npc, Integer> portraits = world.getParameters().getMap("portraits", Npc.class, Integer.class);
-					if (!portraits.isEmpty())
+					if ((portraits != null) && !portraits.isEmpty())
 					{
 						final List<Npc> demons = world.getParameters().getList("demons", Npc.class);
 						for (int i : portraits.values())