Talk:Hero Challenge:Atro/@comment-202.46.129.66-20150330225952/@comment-9914749-20150331040340

If you not kill him in 5 turns, he will use a "self-destruct" and will deal a extremely high damage, killing all your units.

I had this experience in Unholy Tower. ^^'

If you're able to kill Luna 6*, he will be OTK as well.