why is black cleaver in the game?
two of them main users have either armour shred or armour pen built into there kits

another has true damage 
and another has % hp damage 
combined with a last whisper from the ADC this item is just deletes any tanks gold investment within the game, as was mentioned in another post here on the boards the sole thing keeping tanks in the game is
. After having played a game as mundo and was simply bursted by the enemy team until i bought that item i have to completely agree.
for mages, and
for attack speed based fighters.
