Hero minion

First of all, I don't expect this to happen, but I just think it would be funny.

You know those times where you don't quite deal enough damage to get a kill, but there are minions nearby who happen to get in one last swing or fire one last missile that is enough to land you the kill?

What if you didn't actually get the kill from this?

What if instead, the minion that landed the last hit gets a huge buff?

This would be so frustrating, but hilarious.

Maybe a game mode.