The Leech enchantment has a chance to heal the wielder for a portion of the damage dealt when hitting an enemy. This creates a sustain mechanic for melee combat.

1. Heals the wielder for a percentage of damage dealt
2. The healing amount is based on the weapon's level
3. Higher-level weapons provide more healing
4. Works with both physical and magical damage

1. Java: Leech.java
2. The effect is applied in the proc() method with healing amount scaling with weapon level

1. Enchantments - List of all weapon enchantments
2. Weapons - Equipment that can have enchantments
3. Heal Spell - General information about healing in the game