Fixed ferocity overflow

eco-core/core-plugin/src/main/kotlin/com/willfp/ecoskills/skills/Skill.kt

@@ -159,6 +159,11 @@ abstract class Skill(
     }
 
     fun getExpForLevel(level: Int): Int {
-        return this.plugin.configYml.getInts("skills.level-xp-requirements")[level - 1] ?: Integer.MAX_VALUE
+        val req = this.plugin.configYml.getInts("skills.level-xp-requirements")
+        return if (req.size <= level) {
+            Int.MAX_VALUE
+        } else {
+            req[level - 1]
+        }
     }
 }

eco-core/core-plugin/src/main/kotlin/com/willfp/ecoskills/stats/stats/StatFerocity.kt

@@ -21,6 +21,10 @@ class StatFerocity : Stat(
         val victim = event.entity
         val entity = event.damager
 
+        if (victim.hasMetadata("ferocity")) {
+            return
+        }
+
         if (victim !is LivingEntity) {
             return
         }
@@ -44,8 +48,9 @@ class StatFerocity : Stat(
         }
 
         this.plugin.run {
+            victim.setMetadata("ferocity", plugin.metadataValueFactory.create(true))
             victim.noDamageTicks = 0
-            victim.damage(event.finalDamage, entity)
+            victim.damage(event.damage, entity)
         }
     }
 }