User blog comment:I Want To Be A Chicken Nugget/team comps for challenge modes' battle 3 on nightmare?/@comment-74.215.239.71-20181027162903

You can clear this battle reliably with Regime Flash, Regime Green Lantern and Insurgency Lex Luthor all at E7 with some basic heal gear (even lazarus formula works) on Luthor and maybe some dot gear like ibistick or heart of darkness on the others to help beat time limits.