6* Rank up to R2

I have the resources to R2 a 6 star, who should it be?
I have 100% Act 5 and am Cavalier.

Comments

man you have all best champs in 6*

Corvus or Ghost, cant go wrong either way. If you have all tbe synergy for Ghost and get her playstyle I'd pick her.

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Not sure if it matters, but this will be my 2nd 6 star at R2, the other one is CMM awakened at sig 40.

man you have all best champs in 6*

I have been very lucky with 6 stars