diff --git a/L2J_Mobius_C4_ScionsOfDestiny/java/org/l2jmobius/gameserver/model/skills/Formulas.java b/L2J_Mobius_C4_ScionsOfDestiny/java/org/l2jmobius/gameserver/model/skills/Formulas.java
index 0485b1aeb7..aeb35c8029 100644
--- a/L2J_Mobius_C4_ScionsOfDestiny/java/org/l2jmobius/gameserver/model/skills/Formulas.java
+++ b/L2J_Mobius_C4_ScionsOfDestiny/java/org/l2jmobius/gameserver/model/skills/Formulas.java
@@ -707,7 +707,7 @@ public class Formulas
 		public void calc(Env env)
 		{
 			final PlayerTemplate t = (PlayerTemplate) env.player.getTemplate();
-			final int lvl = env.player.getLevel() - t.getClassBaseLevel();
+			final int lvl = Math.max(env.player.getLevel() - t.getClassBaseLevel(), -50);
 			final double hpmod = t.getLevelHpMod() * lvl;
 			final double hpmax = (t.getLevelHpAdd() + hpmod) * lvl;
 			final double hpmin = (t.getLevelHpAdd() * lvl) + hpmod;
@@ -754,7 +754,7 @@ public class Formulas
 		public void calc(Env env)
 		{
 			final PlayerTemplate t = (PlayerTemplate) env.player.getTemplate();
-			final int lvl = env.player.getLevel() - t.getClassBaseLevel();
+			final int lvl = Math.max(env.player.getLevel() - t.getClassBaseLevel(), -50);
 			final double cpmod = t.getLevelCpMod() * lvl;
 			final double cpmax = (t.getLevelCpAdd() + cpmod) * lvl;
 			final double cpmin = (t.getLevelCpAdd() * lvl) + cpmod;
@@ -801,7 +801,7 @@ public class Formulas
 		public void calc(Env env)
 		{
 			final PlayerTemplate t = (PlayerTemplate) env.player.getTemplate();
-			final int lvl = env.player.getLevel() - t.getClassBaseLevel();
+			final int lvl = Math.max(env.player.getLevel() - t.getClassBaseLevel(), -50);
 			final double mpmod = t.getLevelMpMod() * lvl;
 			final double mpmax = (t.getLevelMpAdd() + mpmod) * lvl;
 			final double mpmin = (t.getLevelMpAdd() * lvl) + mpmod;
diff --git a/L2J_Mobius_C6_Interlude/java/org/l2jmobius/gameserver/model/skills/Formulas.java b/L2J_Mobius_C6_Interlude/java/org/l2jmobius/gameserver/model/skills/Formulas.java
index 0485b1aeb7..aeb35c8029 100644
--- a/L2J_Mobius_C6_Interlude/java/org/l2jmobius/gameserver/model/skills/Formulas.java
+++ b/L2J_Mobius_C6_Interlude/java/org/l2jmobius/gameserver/model/skills/Formulas.java
@@ -707,7 +707,7 @@ public class Formulas
 		public void calc(Env env)
 		{
 			final PlayerTemplate t = (PlayerTemplate) env.player.getTemplate();
-			final int lvl = env.player.getLevel() - t.getClassBaseLevel();
+			final int lvl = Math.max(env.player.getLevel() - t.getClassBaseLevel(), -50);
 			final double hpmod = t.getLevelHpMod() * lvl;
 			final double hpmax = (t.getLevelHpAdd() + hpmod) * lvl;
 			final double hpmin = (t.getLevelHpAdd() * lvl) + hpmod;
@@ -754,7 +754,7 @@ public class Formulas
 		public void calc(Env env)
 		{
 			final PlayerTemplate t = (PlayerTemplate) env.player.getTemplate();
-			final int lvl = env.player.getLevel() - t.getClassBaseLevel();
+			final int lvl = Math.max(env.player.getLevel() - t.getClassBaseLevel(), -50);
 			final double cpmod = t.getLevelCpMod() * lvl;
 			final double cpmax = (t.getLevelCpAdd() + cpmod) * lvl;
 			final double cpmin = (t.getLevelCpAdd() * lvl) + cpmod;
@@ -801,7 +801,7 @@ public class Formulas
 		public void calc(Env env)
 		{
 			final PlayerTemplate t = (PlayerTemplate) env.player.getTemplate();
-			final int lvl = env.player.getLevel() - t.getClassBaseLevel();
+			final int lvl = Math.max(env.player.getLevel() - t.getClassBaseLevel(), -50);
 			final double mpmod = t.getLevelMpMod() * lvl;
 			final double mpmax = (t.getLevelMpAdd() + mpmod) * lvl;
 			final double mpmin = (t.getLevelMpAdd() * lvl) + mpmod;