1 v 11 with a twist! The boss is a "shapeshifter" who starts off as their hero of choice. As they kill enemy heroes, they unlock the heroes of their victims to use in order to get more kills. The Shapeshifter can switch between their unlocked heroes any time up to 6 times. The survivors must kill the shapeshifter 5 times to win. Shapeshifter must get 200 kills to win.