First rank 5 4 star/ rank 3 5 star

Vis123456789

Who do i rank up:
4 star The vision(AOU) ability level 27
5 star rocket raccoon unduped.
I am one of those players that are not very skilled so go for attack. Only on act 5.1.2.

Afrid

Rank up vision he is more useful than rocket And won't be available as a 5*