Life Leech

Life Leech is an enchantment added by Cyclic. It can be applied to any Sword and has a single level.

Hitting a mob with a weapon enchanted with Life Leech will restore health to the player. Killing a mob with this weapon will restore 1 hunger (half a shank) and a random amount of health between and either  or 20% of the mob's maximum health (rounded up), whichever is higher.