The Black Cleaver

+400 Health
+40 Attack Damage
+20% Cooldown Reduction

UNIQUE Passive: Dealing physical damage to an enemy champion Cleaves them, reducing their Armor by 5% for 6 seconds (stacks up to 6 times, up to 30%).
UNIQUE Passive - Rage: Dealing physical damage grants 20 movement speed for 2 seconds. Assists on Cleaved enemy champions or kills on any unit grant 60 movement speed for 2 seconds instead. This Movement Speed is halved for ranged champions.

(Unique Passives with the same name don't stack.)