Got stuck with one issue and due to that I’ve began to lost interest on this game. Please help!
My progress in champs advancement is going slow but stady. When I finally has gain enough items to upgrade my champs. 4* champs to R5, I got stuck! Should I upgrade the strongest champs? Or choose 5 champs that have a very good relation in synergy bonuses to upgrade them to R5? Or upgrade the Unduped 5* to R3 instead of…