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https://forums.playcontestofchampions.com/en/discussion/329772/unable-to-claim-compensation-rewards-merged-with-info
We will be closing/merging any newly created threads related to this issue.
Ice Man (unduped) or Archangel (duped) to R5

Comments
Archangels great against non immunes,but not against immunes,But Icey boi better in terms of utility,And isn't hampered by cold immunity that much.
I do like Iceman and ya vs bleed/poison immune AA doesn't work, but I'm sure you have answers for those as well. I destroy the majority of the content with my AA... as long as it can bleed/poison lol
Elektra can fill the role as a budget AA for the ability accuracy reduction (And you also have Blade for Mystics and stuff). AA his damage is awesome, but not really essential.
Go for Iceman, you're gonna need an immune champ. It will help your roster the most at the moment. But definitely rank AA after.
So I would put both, but 4* Iceman first.
And if you talking about the 5 star, the things change. A R4 Iceman undupped is good already, but to invest on, AA is a better choice to R5, if he is 5 star dupped. Better Prestige, insane damage and the resources to rank 5 a 5 star still are hard to get, meaning that doesn't worth spend them in a undupped champion.
I’m not yet in a position to start investing in my five stars. The four star champs are still useful for what I need them to do right now. Thanks for the help guys!