The Bloodthirster

+80 Attack Damage

UNIQUE Passive: +20% Life Steal
UNIQUE Passive: Your basic attacks can now overheal you. Excess life is stored as a shield that can block 50-350 damage, based on champion level.

This shield decays slowly if you haven't dealt or taken damage in the last 25 seconds.

(Bonus Attack Damage is any Attack Damage from buffs, items and masteries)