Main Account (CCoolCollin!) Question: Should I rank 3 my 5* Korg?

CCoolCollinjr

Main Account (CCoolCollin!) Question: Should I rank 3 my 5* Korg or wait until I can rank 4 my 5* Gwenpool (I need 9000 more rank 4 talent catalyst shards or a full one)?

Championcritic

I assume your putting korg in AW defense.