Talk:Miss Fortune/@comment-25532677-20160124224002/@comment-9771997-20160130231011

Well, Black Cleaver reduces their total armor by up to 30%, while Last Whisper reduces bonus armor by up to 45%. For armor shred alone, I would say that Black Cleaver is better because it would have a stronger effect on the squishies you want to erase taking into account their base armor and lack of bonus armor, and it would be devastating to everyone on the enemy team in general. Still worth taking if your team is AD heavy. However, with Mortal Reminder existing you have the capability to apply Grievous Wounds to their entire team at once in the middle of your ridiculously high damage ult or with Lord Dominik's Regards you can do up to 15% bonus damage with your ult to everyone with higher hp than you; both of those options are serious competitors to Black Cleaver.

My verdict would be Black Cleaver whenever your team has anybody that's good and AD. Your ult maxed out fires 5.33 shots per second. This means that, as long as the damage is applied with each wave, then you would max stack Black Cleaver in a little over 1 second of being inside your ult. While your ult damage would suffer slightly, the team synergy should be easily worth it even if you only have one other AD on your team. Especially since your ult is broken enough to one shot everyone anyway.