Captain Atom last node 3 star (lvl 50/g9)
Tried it with the team I fielded for the first event. Vixen lead, stripe,WLS and PG. Was getting destroyed consistently.
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Then I switched out stripe for Reverse Flash and finished it second try I think. Was a lot of reds so even though RF wasn't boosted he would at least get 2 shot instead of 1shot. Pretty normal strategy: Vixen stunlocks the biggest damage dealers (aoe guys in first wave, atom in the second) Reverse Flash puts out spd downs and minus turn meter, powergirl and WLS try to keep everyone alive took. Took some luck but it was doable. If you can make it to the second wave you've probably got it.