diff --git a/L2J_Mobius_Essence_4.2_DwellingOfSpirits/dist/game/data/scripts/handlers/effecthandlers/StatUp.java b/L2J_Mobius_Essence_4.2_DwellingOfSpirits/dist/game/data/scripts/handlers/effecthandlers/StatUp.java
index 09b9c1df57..b6fda285b0 100644
--- a/L2J_Mobius_Essence_4.2_DwellingOfSpirits/dist/game/data/scripts/handlers/effecthandlers/StatUp.java
+++ b/L2J_Mobius_Essence_4.2_DwellingOfSpirits/dist/game/data/scripts/handlers/effecthandlers/StatUp.java
@@ -71,5 +71,11 @@ public class StatUp extends AbstractEffect
 			}
 		}
 		effected.getStat().mergeAdd(stat, _amount);
+		
+		// Calculate stat increase skills.
+		if (effected.isPlayer())
+		{
+			effected.getActingPlayer().calculateStatIncreaseSkills();
+		}
 	}
 }
diff --git a/L2J_Mobius_Essence_4.2_DwellingOfSpirits/java/org/l2jmobius/gameserver/model/actor/Player.java b/L2J_Mobius_Essence_4.2_DwellingOfSpirits/java/org/l2jmobius/gameserver/model/actor/Player.java
index 57f230e0c3..5ef3783140 100644
--- a/L2J_Mobius_Essence_4.2_DwellingOfSpirits/java/org/l2jmobius/gameserver/model/actor/Player.java
+++ b/L2J_Mobius_Essence_4.2_DwellingOfSpirits/java/org/l2jmobius/gameserver/model/actor/Player.java
@@ -906,6 +906,8 @@ public class Player extends Playable
 	
 	private PlayerRandomCraft _randomCraft = null;
 	
+	private ScheduledFuture<?> _statIncreaseSkillTask;
+	
 	private final Map<Integer, PetEvolveHolder> _petEvolves = new HashMap<>();
 	
 	private final List<QuestTimer> _questTimers = new ArrayList<>();
@@ -14765,4 +14767,147 @@ public class Player extends Playable
 			}
 		});
 	}
+	
+	public void calculateStatIncreaseSkills()
+	{
+		// Use a task to prevent multiple execution from effects.
+		if (_statIncreaseSkillTask != null)
+		{
+			return;
+		}
+		
+		_statIncreaseSkillTask = ThreadPool.schedule(() ->
+		{
+			Skill knownSkill;
+			double statValue;
+			boolean update = false;
+			
+			// Remove stat increase skills.
+			for (int i = CommonSkill.STR_INCREASE_BONUS_1.getId(); i <= CommonSkill.MEN_INCREASE_BONUS_1.getId(); i++)
+			{
+				knownSkill = getKnownSkill(i);
+				if (knownSkill != null)
+				{
+					removeSkill(knownSkill);
+					update = true;
+				}
+			}
+			
+			// STR bonus.
+			statValue = getStat().getValue(Stat.STAT_STR);
+			if ((statValue >= 60) && (statValue < 70))
+			{
+				addSkill(CommonSkill.STR_INCREASE_BONUS_1.getSkill(), false);
+				update = true;
+			}
+			else if ((statValue >= 70) && (statValue < 90))
+			{
+				addSkill(CommonSkill.STR_INCREASE_BONUS_2.getSkill(), false);
+				update = true;
+			}
+			else if (statValue >= 90)
+			{
+				addSkill(CommonSkill.STR_INCREASE_BONUS_3.getSkill(), false);
+				update = true;
+			}
+			
+			// INT bonus.
+			statValue = getStat().getValue(Stat.STAT_INT);
+			if ((statValue >= 60) && (statValue < 70))
+			{
+				addSkill(CommonSkill.INT_INCREASE_BONUS_1.getSkill(), false);
+				update = true;
+			}
+			else if ((statValue >= 70) && (statValue < 90))
+			{
+				addSkill(CommonSkill.INT_INCREASE_BONUS_2.getSkill(), false);
+				update = true;
+			}
+			else if (statValue >= 90)
+			{
+				addSkill(CommonSkill.INT_INCREASE_BONUS_3.getSkill(), false);
+				update = true;
+			}
+			
+			// DEX bonus.
+			statValue = getStat().getValue(Stat.STAT_DEX);
+			if ((statValue >= 50) && (statValue < 60))
+			{
+				addSkill(CommonSkill.DEX_INCREASE_BONUS_1.getSkill(), false);
+				update = true;
+			}
+			else if ((statValue >= 60) && (statValue < 80))
+			{
+				addSkill(CommonSkill.DEX_INCREASE_BONUS_2.getSkill(), false);
+				update = true;
+			}
+			else if (statValue >= 80)
+			{
+				addSkill(CommonSkill.DEX_INCREASE_BONUS_3.getSkill(), false);
+				update = true;
+			}
+			
+			// WIT bonus.
+			statValue = getStat().getValue(Stat.STAT_WIT);
+			if ((statValue >= 40) && (statValue < 50))
+			{
+				addSkill(CommonSkill.WIT_INCREASE_BONUS_1.getSkill(), false);
+				update = true;
+			}
+			else if ((statValue >= 50) && (statValue < 70))
+			{
+				addSkill(CommonSkill.WIT_INCREASE_BONUS_2.getSkill(), false);
+				update = true;
+			}
+			else if (statValue >= 70)
+			{
+				addSkill(CommonSkill.WIT_INCREASE_BONUS_3.getSkill(), false);
+				update = true;
+			}
+			
+			// CON bonus.
+			statValue = getStat().getValue(Stat.STAT_CON);
+			if ((statValue >= 50) && (statValue < 65))
+			{
+				addSkill(CommonSkill.CON_INCREASE_BONUS_1.getSkill(), false);
+				update = true;
+			}
+			else if ((statValue >= 65) && (statValue < 90))
+			{
+				addSkill(CommonSkill.CON_INCREASE_BONUS_2.getSkill(), false);
+				update = true;
+			}
+			else if (statValue >= 90)
+			{
+				addSkill(CommonSkill.CON_INCREASE_BONUS_3.getSkill(), false);
+				update = true;
+			}
+			
+			// MEN bonus.
+			statValue = getStat().getValue(Stat.STAT_MEN);
+			if ((statValue >= 45) && (statValue < 60))
+			{
+				addSkill(CommonSkill.MEN_INCREASE_BONUS_1.getSkill(), false);
+				update = true;
+			}
+			else if ((statValue >= 60) && (statValue < 85))
+			{
+				addSkill(CommonSkill.MEN_INCREASE_BONUS_2.getSkill(), false);
+				update = true;
+			}
+			else if (statValue >= 85)
+			{
+				addSkill(CommonSkill.MEN_INCREASE_BONUS_3.getSkill(), false);
+				update = true;
+			}
+			
+			// Update skill list.
+			if (update)
+			{
+				sendSkillList();
+			}
+			
+			_statIncreaseSkillTask = null;
+		}, 500);
+	}
 }
diff --git a/L2J_Mobius_Essence_4.2_DwellingOfSpirits/java/org/l2jmobius/gameserver/model/skill/CommonSkill.java b/L2J_Mobius_Essence_4.2_DwellingOfSpirits/java/org/l2jmobius/gameserver/model/skill/CommonSkill.java
index ca4fb76ed7..3918d39819 100644
--- a/L2J_Mobius_Essence_4.2_DwellingOfSpirits/java/org/l2jmobius/gameserver/model/skill/CommonSkill.java
+++ b/L2J_Mobius_Essence_4.2_DwellingOfSpirits/java/org/l2jmobius/gameserver/model/skill/CommonSkill.java
@@ -59,6 +59,24 @@ public enum CommonSkill
 	PET_SWITCH_STANCE(6054, 1),
 	WEIGHT_PENALTY(4270, 1),
 	POTION_MASTERY(45184, 1),
+	STR_INCREASE_BONUS_1(45191, 1),
+	STR_INCREASE_BONUS_2(45191, 2),
+	STR_INCREASE_BONUS_3(45191, 3),
+	INT_INCREASE_BONUS_1(45192, 1),
+	INT_INCREASE_BONUS_2(45192, 2),
+	INT_INCREASE_BONUS_3(45192, 3),
+	DEX_INCREASE_BONUS_1(45193, 1),
+	DEX_INCREASE_BONUS_2(45193, 2),
+	DEX_INCREASE_BONUS_3(45193, 3),
+	WIT_INCREASE_BONUS_1(45194, 1),
+	WIT_INCREASE_BONUS_2(45194, 2),
+	WIT_INCREASE_BONUS_3(45194, 3),
+	CON_INCREASE_BONUS_1(45195, 1),
+	CON_INCREASE_BONUS_2(45195, 2),
+	CON_INCREASE_BONUS_3(45195, 3),
+	MEN_INCREASE_BONUS_1(45196, 1),
+	MEN_INCREASE_BONUS_2(45196, 2),
+	MEN_INCREASE_BONUS_3(45196, 3),
 	TELEPORT(60018, 1);
 	
 	private final SkillHolder _holder;
diff --git a/L2J_Mobius_Essence_4.2_DwellingOfSpirits/java/org/l2jmobius/gameserver/network/clientpackets/EnterWorld.java b/L2J_Mobius_Essence_4.2_DwellingOfSpirits/java/org/l2jmobius/gameserver/network/clientpackets/EnterWorld.java
index 68599c55f4..e8d9743896 100644
--- a/L2J_Mobius_Essence_4.2_DwellingOfSpirits/java/org/l2jmobius/gameserver/network/clientpackets/EnterWorld.java
+++ b/L2J_Mobius_Essence_4.2_DwellingOfSpirits/java/org/l2jmobius/gameserver/network/clientpackets/EnterWorld.java
@@ -357,6 +357,9 @@ public class EnterWorld implements IClientIncomingPacket
 		// Send EtcStatusUpdate
 		player.sendPacket(new EtcStatusUpdate(player));
 		
+		// Calculate stat increase skills.
+		player.calculateStatIncreaseSkills();
+		
 		// Clan packets
 		if (clan != null)
 		{
diff --git a/L2J_Mobius_Essence_4.2_DwellingOfSpirits/java/org/l2jmobius/gameserver/network/clientpackets/stats/ExResetStatusBonus.java b/L2J_Mobius_Essence_4.2_DwellingOfSpirits/java/org/l2jmobius/gameserver/network/clientpackets/stats/ExResetStatusBonus.java
index c45c8f47e6..550fd6e761 100644
--- a/L2J_Mobius_Essence_4.2_DwellingOfSpirits/java/org/l2jmobius/gameserver/network/clientpackets/stats/ExResetStatusBonus.java
+++ b/L2J_Mobius_Essence_4.2_DwellingOfSpirits/java/org/l2jmobius/gameserver/network/clientpackets/stats/ExResetStatusBonus.java
@@ -119,6 +119,9 @@ public class ExResetStatusBonus implements IClientIncomingPacket
 			
 			player.sendPacket(new UserInfo(player));
 			player.getStat().recalculateStats(true);
+			
+			// Calculate stat increase skills.
+			player.calculateStatIncreaseSkills();
 		}
 	}
 }
diff --git a/L2J_Mobius_Essence_4.2_DwellingOfSpirits/java/org/l2jmobius/gameserver/network/clientpackets/stats/ExSetStatusBonus.java b/L2J_Mobius_Essence_4.2_DwellingOfSpirits/java/org/l2jmobius/gameserver/network/clientpackets/stats/ExSetStatusBonus.java
index 2db67ec6b3..fa984e808b 100644
--- a/L2J_Mobius_Essence_4.2_DwellingOfSpirits/java/org/l2jmobius/gameserver/network/clientpackets/stats/ExSetStatusBonus.java
+++ b/L2J_Mobius_Essence_4.2_DwellingOfSpirits/java/org/l2jmobius/gameserver/network/clientpackets/stats/ExSetStatusBonus.java
@@ -110,5 +110,8 @@ public class ExSetStatusBonus implements IClientIncomingPacket
 		}
 		
 		player.sendPacket(new UserInfo(player));
+		
+		// Calculate stat increase skills.
+		player.calculateStatIncreaseSkills();
 	}
 }
diff --git a/L2J_Mobius_Essence_5.2_FrostLord/dist/game/data/scripts/handlers/effecthandlers/StatUp.java b/L2J_Mobius_Essence_5.2_FrostLord/dist/game/data/scripts/handlers/effecthandlers/StatUp.java
index 09b9c1df57..b6fda285b0 100644
--- a/L2J_Mobius_Essence_5.2_FrostLord/dist/game/data/scripts/handlers/effecthandlers/StatUp.java
+++ b/L2J_Mobius_Essence_5.2_FrostLord/dist/game/data/scripts/handlers/effecthandlers/StatUp.java
@@ -71,5 +71,11 @@ public class StatUp extends AbstractEffect
 			}
 		}
 		effected.getStat().mergeAdd(stat, _amount);
+		
+		// Calculate stat increase skills.
+		if (effected.isPlayer())
+		{
+			effected.getActingPlayer().calculateStatIncreaseSkills();
+		}
 	}
 }
diff --git a/L2J_Mobius_Essence_5.2_FrostLord/java/org/l2jmobius/gameserver/model/actor/Player.java b/L2J_Mobius_Essence_5.2_FrostLord/java/org/l2jmobius/gameserver/model/actor/Player.java
index c7843144f7..8cfb288f54 100644
--- a/L2J_Mobius_Essence_5.2_FrostLord/java/org/l2jmobius/gameserver/model/actor/Player.java
+++ b/L2J_Mobius_Essence_5.2_FrostLord/java/org/l2jmobius/gameserver/model/actor/Player.java
@@ -930,6 +930,8 @@ public class Player extends Playable
 	
 	private PlayerRandomCraft _randomCraft = null;
 	
+	private ScheduledFuture<?> _statIncreaseSkillTask;
+	
 	private final List<PlayerCollectionData> _collections = new ArrayList<>();
 	private final List<Integer> _collectionFavorites = new ArrayList<>();
 	
@@ -14843,6 +14845,149 @@ public class Player extends Playable
 		});
 	}
 	
+	public void calculateStatIncreaseSkills()
+	{
+		// Use a task to prevent multiple execution from effects.
+		if (_statIncreaseSkillTask != null)
+		{
+			return;
+		}
+		
+		_statIncreaseSkillTask = ThreadPool.schedule(() ->
+		{
+			Skill knownSkill;
+			double statValue;
+			boolean update = false;
+			
+			// Remove stat increase skills.
+			for (int i = CommonSkill.STR_INCREASE_BONUS_1.getId(); i <= CommonSkill.MEN_INCREASE_BONUS_1.getId(); i++)
+			{
+				knownSkill = getKnownSkill(i);
+				if (knownSkill != null)
+				{
+					removeSkill(knownSkill);
+					update = true;
+				}
+			}
+			
+			// STR bonus.
+			statValue = getStat().getValue(Stat.STAT_STR);
+			if ((statValue >= 60) && (statValue < 70))
+			{
+				addSkill(CommonSkill.STR_INCREASE_BONUS_1.getSkill(), false);
+				update = true;
+			}
+			else if ((statValue >= 70) && (statValue < 90))
+			{
+				addSkill(CommonSkill.STR_INCREASE_BONUS_2.getSkill(), false);
+				update = true;
+			}
+			else if (statValue >= 90)
+			{
+				addSkill(CommonSkill.STR_INCREASE_BONUS_3.getSkill(), false);
+				update = true;
+			}
+			
+			// INT bonus.
+			statValue = getStat().getValue(Stat.STAT_INT);
+			if ((statValue >= 60) && (statValue < 70))
+			{
+				addSkill(CommonSkill.INT_INCREASE_BONUS_1.getSkill(), false);
+				update = true;
+			}
+			else if ((statValue >= 70) && (statValue < 90))
+			{
+				addSkill(CommonSkill.INT_INCREASE_BONUS_2.getSkill(), false);
+				update = true;
+			}
+			else if (statValue >= 90)
+			{
+				addSkill(CommonSkill.INT_INCREASE_BONUS_3.getSkill(), false);
+				update = true;
+			}
+			
+			// DEX bonus.
+			statValue = getStat().getValue(Stat.STAT_DEX);
+			if ((statValue >= 50) && (statValue < 60))
+			{
+				addSkill(CommonSkill.DEX_INCREASE_BONUS_1.getSkill(), false);
+				update = true;
+			}
+			else if ((statValue >= 60) && (statValue < 80))
+			{
+				addSkill(CommonSkill.DEX_INCREASE_BONUS_2.getSkill(), false);
+				update = true;
+			}
+			else if (statValue >= 80)
+			{
+				addSkill(CommonSkill.DEX_INCREASE_BONUS_3.getSkill(), false);
+				update = true;
+			}
+			
+			// WIT bonus.
+			statValue = getStat().getValue(Stat.STAT_WIT);
+			if ((statValue >= 40) && (statValue < 50))
+			{
+				addSkill(CommonSkill.WIT_INCREASE_BONUS_1.getSkill(), false);
+				update = true;
+			}
+			else if ((statValue >= 50) && (statValue < 70))
+			{
+				addSkill(CommonSkill.WIT_INCREASE_BONUS_2.getSkill(), false);
+				update = true;
+			}
+			else if (statValue >= 70)
+			{
+				addSkill(CommonSkill.WIT_INCREASE_BONUS_3.getSkill(), false);
+				update = true;
+			}
+			
+			// CON bonus.
+			statValue = getStat().getValue(Stat.STAT_CON);
+			if ((statValue >= 50) && (statValue < 65))
+			{
+				addSkill(CommonSkill.CON_INCREASE_BONUS_1.getSkill(), false);
+				update = true;
+			}
+			else if ((statValue >= 65) && (statValue < 90))
+			{
+				addSkill(CommonSkill.CON_INCREASE_BONUS_2.getSkill(), false);
+				update = true;
+			}
+			else if (statValue >= 90)
+			{
+				addSkill(CommonSkill.CON_INCREASE_BONUS_3.getSkill(), false);
+				update = true;
+			}
+			
+			// MEN bonus.
+			statValue = getStat().getValue(Stat.STAT_MEN);
+			if ((statValue >= 45) && (statValue < 60))
+			{
+				addSkill(CommonSkill.MEN_INCREASE_BONUS_1.getSkill(), false);
+				update = true;
+			}
+			else if ((statValue >= 60) && (statValue < 85))
+			{
+				addSkill(CommonSkill.MEN_INCREASE_BONUS_2.getSkill(), false);
+				update = true;
+			}
+			else if (statValue >= 85)
+			{
+				addSkill(CommonSkill.MEN_INCREASE_BONUS_3.getSkill(), false);
+				update = true;
+			}
+			
+			// Update skill list.
+			if (update)
+			{
+				sendSkillList();
+			}
+			
+			_statIncreaseSkillTask = null;
+		}, 500);
+	}
+	
 	public List<PlayerCollectionData> getCollections()
 	{
 		return _collections;
diff --git a/L2J_Mobius_Essence_5.2_FrostLord/java/org/l2jmobius/gameserver/model/skill/CommonSkill.java b/L2J_Mobius_Essence_5.2_FrostLord/java/org/l2jmobius/gameserver/model/skill/CommonSkill.java
index ca4fb76ed7..3918d39819 100644
--- a/L2J_Mobius_Essence_5.2_FrostLord/java/org/l2jmobius/gameserver/model/skill/CommonSkill.java
+++ b/L2J_Mobius_Essence_5.2_FrostLord/java/org/l2jmobius/gameserver/model/skill/CommonSkill.java
@@ -59,6 +59,24 @@ public enum CommonSkill
 	PET_SWITCH_STANCE(6054, 1),
 	WEIGHT_PENALTY(4270, 1),
 	POTION_MASTERY(45184, 1),
+	STR_INCREASE_BONUS_1(45191, 1),
+	STR_INCREASE_BONUS_2(45191, 2),
+	STR_INCREASE_BONUS_3(45191, 3),
+	INT_INCREASE_BONUS_1(45192, 1),
+	INT_INCREASE_BONUS_2(45192, 2),
+	INT_INCREASE_BONUS_3(45192, 3),
+	DEX_INCREASE_BONUS_1(45193, 1),
+	DEX_INCREASE_BONUS_2(45193, 2),
+	DEX_INCREASE_BONUS_3(45193, 3),
+	WIT_INCREASE_BONUS_1(45194, 1),
+	WIT_INCREASE_BONUS_2(45194, 2),
+	WIT_INCREASE_BONUS_3(45194, 3),
+	CON_INCREASE_BONUS_1(45195, 1),
+	CON_INCREASE_BONUS_2(45195, 2),
+	CON_INCREASE_BONUS_3(45195, 3),
+	MEN_INCREASE_BONUS_1(45196, 1),
+	MEN_INCREASE_BONUS_2(45196, 2),
+	MEN_INCREASE_BONUS_3(45196, 3),
 	TELEPORT(60018, 1);
 	
 	private final SkillHolder _holder;
diff --git a/L2J_Mobius_Essence_5.2_FrostLord/java/org/l2jmobius/gameserver/network/clientpackets/EnterWorld.java b/L2J_Mobius_Essence_5.2_FrostLord/java/org/l2jmobius/gameserver/network/clientpackets/EnterWorld.java
index ce6c8cd50c..742ea9e52f 100644
--- a/L2J_Mobius_Essence_5.2_FrostLord/java/org/l2jmobius/gameserver/network/clientpackets/EnterWorld.java
+++ b/L2J_Mobius_Essence_5.2_FrostLord/java/org/l2jmobius/gameserver/network/clientpackets/EnterWorld.java
@@ -361,6 +361,9 @@ public class EnterWorld implements IClientIncomingPacket
 		// Send EtcStatusUpdate
 		player.sendPacket(new EtcStatusUpdate(player));
 		
+		// Calculate stat increase skills.
+		player.calculateStatIncreaseSkills();
+		
 		// Clan packets
 		if (clan != null)
 		{
diff --git a/L2J_Mobius_Essence_5.2_FrostLord/java/org/l2jmobius/gameserver/network/clientpackets/stats/ExResetStatusBonus.java b/L2J_Mobius_Essence_5.2_FrostLord/java/org/l2jmobius/gameserver/network/clientpackets/stats/ExResetStatusBonus.java
index c45c8f47e6..550fd6e761 100644
--- a/L2J_Mobius_Essence_5.2_FrostLord/java/org/l2jmobius/gameserver/network/clientpackets/stats/ExResetStatusBonus.java
+++ b/L2J_Mobius_Essence_5.2_FrostLord/java/org/l2jmobius/gameserver/network/clientpackets/stats/ExResetStatusBonus.java
@@ -119,6 +119,9 @@ public class ExResetStatusBonus implements IClientIncomingPacket
 			
 			player.sendPacket(new UserInfo(player));
 			player.getStat().recalculateStats(true);
+			
+			// Calculate stat increase skills.
+			player.calculateStatIncreaseSkills();
 		}
 	}
 }
diff --git a/L2J_Mobius_Essence_5.2_FrostLord/java/org/l2jmobius/gameserver/network/clientpackets/stats/ExSetStatusBonus.java b/L2J_Mobius_Essence_5.2_FrostLord/java/org/l2jmobius/gameserver/network/clientpackets/stats/ExSetStatusBonus.java
index 2db67ec6b3..fa984e808b 100644
--- a/L2J_Mobius_Essence_5.2_FrostLord/java/org/l2jmobius/gameserver/network/clientpackets/stats/ExSetStatusBonus.java
+++ b/L2J_Mobius_Essence_5.2_FrostLord/java/org/l2jmobius/gameserver/network/clientpackets/stats/ExSetStatusBonus.java
@@ -110,5 +110,8 @@ public class ExSetStatusBonus implements IClientIncomingPacket
 		}
 		
 		player.sendPacket(new UserInfo(player));
+		
+		// Calculate stat increase skills.
+		player.calculateStatIncreaseSkills();
 	}
 }
diff --git a/L2J_Mobius_Essence_6.0_BattleChronicle/dist/game/data/scripts/handlers/effecthandlers/StatUp.java b/L2J_Mobius_Essence_6.0_BattleChronicle/dist/game/data/scripts/handlers/effecthandlers/StatUp.java
index 09b9c1df57..b6fda285b0 100644
--- a/L2J_Mobius_Essence_6.0_BattleChronicle/dist/game/data/scripts/handlers/effecthandlers/StatUp.java
+++ b/L2J_Mobius_Essence_6.0_BattleChronicle/dist/game/data/scripts/handlers/effecthandlers/StatUp.java
@@ -71,5 +71,11 @@ public class StatUp extends AbstractEffect
 			}
 		}
 		effected.getStat().mergeAdd(stat, _amount);
+		
+		// Calculate stat increase skills.
+		if (effected.isPlayer())
+		{
+			effected.getActingPlayer().calculateStatIncreaseSkills();
+		}
 	}
 }
diff --git a/L2J_Mobius_Essence_6.0_BattleChronicle/java/org/l2jmobius/gameserver/model/actor/Player.java b/L2J_Mobius_Essence_6.0_BattleChronicle/java/org/l2jmobius/gameserver/model/actor/Player.java
index c7843144f7..8cfb288f54 100644
--- a/L2J_Mobius_Essence_6.0_BattleChronicle/java/org/l2jmobius/gameserver/model/actor/Player.java
+++ b/L2J_Mobius_Essence_6.0_BattleChronicle/java/org/l2jmobius/gameserver/model/actor/Player.java
@@ -930,6 +930,8 @@ public class Player extends Playable
 	
 	private PlayerRandomCraft _randomCraft = null;
 	
+	private ScheduledFuture<?> _statIncreaseSkillTask;
+	
 	private final List<PlayerCollectionData> _collections = new ArrayList<>();
 	private final List<Integer> _collectionFavorites = new ArrayList<>();
 	
@@ -14843,6 +14845,149 @@ public class Player extends Playable
 		});
 	}
 	
+	public void calculateStatIncreaseSkills()
+	{
+		// Use a task to prevent multiple execution from effects.
+		if (_statIncreaseSkillTask != null)
+		{
+			return;
+		}
+		
+		_statIncreaseSkillTask = ThreadPool.schedule(() ->
+		{
+			Skill knownSkill;
+			double statValue;
+			boolean update = false;
+			
+			// Remove stat increase skills.
+			for (int i = CommonSkill.STR_INCREASE_BONUS_1.getId(); i <= CommonSkill.MEN_INCREASE_BONUS_1.getId(); i++)
+			{
+				knownSkill = getKnownSkill(i);
+				if (knownSkill != null)
+				{
+					removeSkill(knownSkill);
+					update = true;
+				}
+			}
+			
+			// STR bonus.
+			statValue = getStat().getValue(Stat.STAT_STR);
+			if ((statValue >= 60) && (statValue < 70))
+			{
+				addSkill(CommonSkill.STR_INCREASE_BONUS_1.getSkill(), false);
+				update = true;
+			}
+			else if ((statValue >= 70) && (statValue < 90))
+			{
+				addSkill(CommonSkill.STR_INCREASE_BONUS_2.getSkill(), false);
+				update = true;
+			}
+			else if (statValue >= 90)
+			{
+				addSkill(CommonSkill.STR_INCREASE_BONUS_3.getSkill(), false);
+				update = true;
+			}
+			
+			// INT bonus.
+			statValue = getStat().getValue(Stat.STAT_INT);
+			if ((statValue >= 60) && (statValue < 70))
+			{
+				addSkill(CommonSkill.INT_INCREASE_BONUS_1.getSkill(), false);
+				update = true;
+			}
+			else if ((statValue >= 70) && (statValue < 90))
+			{
+				addSkill(CommonSkill.INT_INCREASE_BONUS_2.getSkill(), false);
+				update = true;
+			}
+			else if (statValue >= 90)
+			{
+				addSkill(CommonSkill.INT_INCREASE_BONUS_3.getSkill(), false);
+				update = true;
+			}
+			
+			// DEX bonus.
+			statValue = getStat().getValue(Stat.STAT_DEX);
+			if ((statValue >= 50) && (statValue < 60))
+			{
+				addSkill(CommonSkill.DEX_INCREASE_BONUS_1.getSkill(), false);
+				update = true;
+			}
+			else if ((statValue >= 60) && (statValue < 80))
+			{
+				addSkill(CommonSkill.DEX_INCREASE_BONUS_2.getSkill(), false);
+				update = true;
+			}
+			else if (statValue >= 80)
+			{
+				addSkill(CommonSkill.DEX_INCREASE_BONUS_3.getSkill(), false);
+				update = true;
+			}
+			
+			// WIT bonus.
+			statValue = getStat().getValue(Stat.STAT_WIT);
+			if ((statValue >= 40) && (statValue < 50))
+			{
+				addSkill(CommonSkill.WIT_INCREASE_BONUS_1.getSkill(), false);
+				update = true;
+			}
+			else if ((statValue >= 50) && (statValue < 70))
+			{
+				addSkill(CommonSkill.WIT_INCREASE_BONUS_2.getSkill(), false);
+				update = true;
+			}
+			else if (statValue >= 70)
+			{
+				addSkill(CommonSkill.WIT_INCREASE_BONUS_3.getSkill(), false);
+				update = true;
+			}
+			
+			// CON bonus.
+			statValue = getStat().getValue(Stat.STAT_CON);
+			if ((statValue >= 50) && (statValue < 65))
+			{
+				addSkill(CommonSkill.CON_INCREASE_BONUS_1.getSkill(), false);
+				update = true;
+			}
+			else if ((statValue >= 65) && (statValue < 90))
+			{
+				addSkill(CommonSkill.CON_INCREASE_BONUS_2.getSkill(), false);
+				update = true;
+			}
+			else if (statValue >= 90)
+			{
+				addSkill(CommonSkill.CON_INCREASE_BONUS_3.getSkill(), false);
+				update = true;
+			}
+			
+			// MEN bonus.
+			statValue = getStat().getValue(Stat.STAT_MEN);
+			if ((statValue >= 45) && (statValue < 60))
+			{
+				addSkill(CommonSkill.MEN_INCREASE_BONUS_1.getSkill(), false);
+				update = true;
+			}
+			else if ((statValue >= 60) && (statValue < 85))
+			{
+				addSkill(CommonSkill.MEN_INCREASE_BONUS_2.getSkill(), false);
+				update = true;
+			}
+			else if (statValue >= 85)
+			{
+				addSkill(CommonSkill.MEN_INCREASE_BONUS_3.getSkill(), false);
+				update = true;
+			}
+			
+			// Update skill list.
+			if (update)
+			{
+				sendSkillList();
+			}
+			
+			_statIncreaseSkillTask = null;
+		}, 500);
+	}
+	
 	public List<PlayerCollectionData> getCollections()
 	{
 		return _collections;
diff --git a/L2J_Mobius_Essence_6.0_BattleChronicle/java/org/l2jmobius/gameserver/model/skill/CommonSkill.java b/L2J_Mobius_Essence_6.0_BattleChronicle/java/org/l2jmobius/gameserver/model/skill/CommonSkill.java
index ca4fb76ed7..3918d39819 100644
--- a/L2J_Mobius_Essence_6.0_BattleChronicle/java/org/l2jmobius/gameserver/model/skill/CommonSkill.java
+++ b/L2J_Mobius_Essence_6.0_BattleChronicle/java/org/l2jmobius/gameserver/model/skill/CommonSkill.java
@@ -59,6 +59,24 @@ public enum CommonSkill
 	PET_SWITCH_STANCE(6054, 1),
 	WEIGHT_PENALTY(4270, 1),
 	POTION_MASTERY(45184, 1),
+	STR_INCREASE_BONUS_1(45191, 1),
+	STR_INCREASE_BONUS_2(45191, 2),
+	STR_INCREASE_BONUS_3(45191, 3),
+	INT_INCREASE_BONUS_1(45192, 1),
+	INT_INCREASE_BONUS_2(45192, 2),
+	INT_INCREASE_BONUS_3(45192, 3),
+	DEX_INCREASE_BONUS_1(45193, 1),
+	DEX_INCREASE_BONUS_2(45193, 2),
+	DEX_INCREASE_BONUS_3(45193, 3),
+	WIT_INCREASE_BONUS_1(45194, 1),
+	WIT_INCREASE_BONUS_2(45194, 2),
+	WIT_INCREASE_BONUS_3(45194, 3),
+	CON_INCREASE_BONUS_1(45195, 1),
+	CON_INCREASE_BONUS_2(45195, 2),
+	CON_INCREASE_BONUS_3(45195, 3),
+	MEN_INCREASE_BONUS_1(45196, 1),
+	MEN_INCREASE_BONUS_2(45196, 2),
+	MEN_INCREASE_BONUS_3(45196, 3),
 	TELEPORT(60018, 1);
 	
 	private final SkillHolder _holder;
diff --git a/L2J_Mobius_Essence_6.0_BattleChronicle/java/org/l2jmobius/gameserver/network/clientpackets/EnterWorld.java b/L2J_Mobius_Essence_6.0_BattleChronicle/java/org/l2jmobius/gameserver/network/clientpackets/EnterWorld.java
index ce6c8cd50c..742ea9e52f 100644
--- a/L2J_Mobius_Essence_6.0_BattleChronicle/java/org/l2jmobius/gameserver/network/clientpackets/EnterWorld.java
+++ b/L2J_Mobius_Essence_6.0_BattleChronicle/java/org/l2jmobius/gameserver/network/clientpackets/EnterWorld.java
@@ -361,6 +361,9 @@ public class EnterWorld implements IClientIncomingPacket
 		// Send EtcStatusUpdate
 		player.sendPacket(new EtcStatusUpdate(player));
 		
+		// Calculate stat increase skills.
+		player.calculateStatIncreaseSkills();
+		
 		// Clan packets
 		if (clan != null)
 		{
diff --git a/L2J_Mobius_Essence_6.0_BattleChronicle/java/org/l2jmobius/gameserver/network/clientpackets/stats/ExResetStatusBonus.java b/L2J_Mobius_Essence_6.0_BattleChronicle/java/org/l2jmobius/gameserver/network/clientpackets/stats/ExResetStatusBonus.java
index c45c8f47e6..550fd6e761 100644
--- a/L2J_Mobius_Essence_6.0_BattleChronicle/java/org/l2jmobius/gameserver/network/clientpackets/stats/ExResetStatusBonus.java
+++ b/L2J_Mobius_Essence_6.0_BattleChronicle/java/org/l2jmobius/gameserver/network/clientpackets/stats/ExResetStatusBonus.java
@@ -119,6 +119,9 @@ public class ExResetStatusBonus implements IClientIncomingPacket
 			
 			player.sendPacket(new UserInfo(player));
 			player.getStat().recalculateStats(true);
+			
+			// Calculate stat increase skills.
+			player.calculateStatIncreaseSkills();
 		}
 	}
 }
diff --git a/L2J_Mobius_Essence_6.0_BattleChronicle/java/org/l2jmobius/gameserver/network/clientpackets/stats/ExSetStatusBonus.java b/L2J_Mobius_Essence_6.0_BattleChronicle/java/org/l2jmobius/gameserver/network/clientpackets/stats/ExSetStatusBonus.java
index 2db67ec6b3..fa984e808b 100644
--- a/L2J_Mobius_Essence_6.0_BattleChronicle/java/org/l2jmobius/gameserver/network/clientpackets/stats/ExSetStatusBonus.java
+++ b/L2J_Mobius_Essence_6.0_BattleChronicle/java/org/l2jmobius/gameserver/network/clientpackets/stats/ExSetStatusBonus.java
@@ -110,5 +110,8 @@ public class ExSetStatusBonus implements IClientIncomingPacket
 		}
 		
 		player.sendPacket(new UserInfo(player));
+		
+		// Calculate stat increase skills.
+		player.calculateStatIncreaseSkills();
 	}
 }