Quote Originally Posted by Yup View Post
Warrior Chopper's Passive does. in "the Banshee" (Normal).
Being aware of this you **must** kill that Chopper first to allow your HP to be full. Then it's a matter of time a heal right before you kill the last enemy.
Oh, right sorry, I didn't think to check Normal/Hard!

Sounds like you've managed to complete the challenge already, but I think I managed to get around that Chopper's passive using The Prisoner.

Quote Originally Posted by Madrik View Post
And the completed the last skull quest.
Well done!