Black Cleaver

The Black Cleaver is a legendary item in League of Legends.

Recipe

 * (1337g)
 * (400g)
 * (400g)
 * 537g
 * (475g)
 * 1188g

Cost Analysis

 * 200 health = 528g
 * 50 attack damage = 2000g
 * 10% cooldown reduction = 322g
 * Total Gold Value = 2850g

Unique - 10 armor penetration

''Unique Passive - Dealing physical damage to an enemy champion reduces their armor by 5% for 4 seconds. This effect stacks up to 5 times.''
 * Both passive combined must have at least a value of 150g for to be gold efficient.

Strategy

 * Armor reduction benefits all physical attacks against the target champion, making an excellent gang-attack weapon.
 * Armor reduction and penetration effects stack, allowing an attacking character to benefit from both shred and penetration runes and items such as.
 * The armor-shred passive triggers not only auto-attacks but on any effect which deals physical damage, such as, , and.
 * Items with effects that deal physical damage on hit such as and  also apply a stack of the armor-shred in addition to the stack applied by a champion's auto attack.
 * The armor reduction stacks from apply only to enemy champions. They will not affect structures such as turrets and inhibitors; minions; or neutral monsters.