Which Cosmic to rankup - urgent too many t4cc expiring

_Sham_

I have tonne of t4cc expiring today, please advise who would be good to rankup or should I just convert them to t4cc crystals ?

Ethereality

R5 Medusa definetely, she is the game's #1 Robot Killer, even more so than Red Mags, cuz Red Mags cant power lock robots like Medusa can. Moreover, she doesn't exist as 6* so no risk of double pulling her.

I'd also R2 Heimdall, his synergies are too valuable in the endgame so you might as well have him ranked up so he wont just be dead weight in your team.

Aarkus and Cull Obsidian are not bad choices either

Berjibs

Just trade them in 🤷🏽‍♂️

WolverDominator

lol. 13 expiring at once. How many t4 crystals did you open to end in this situation ???

The_Sentry06

lol so many cosmic catalysts.
Just trade them in. On my account, the only worthy champ to use cosmic t4cc on was 4* Hyperion. Haven't done any cosmic rank-ups for around 8 months. I just trade them in.

TrashyPanda

Ah, yes. Got that great new pull but had no t4cc of that class? I'm there right now. Full up on skill and mutant, but no needed rankups there. Amazing new science champs, slap out of science t4cc. Thankfully I have the variants for backup.

You have the Cosmic class covered, honestly. I dislike the trade-in crystals (really wish they were selectors), but don't hesitate to use the option.

Pressured rankups have often resulted in me being short on generic resources I needed for rankups I only use in arena.

Sarvanga1_

I would do medusa.

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Captain Marvel one love. if you got nick fury than you 100% should rank ap Capitan Marvel