wolfen should play anchor role, he's much better on kj/cypher than on jett. just drop starxo, put kolda on perma controller and sign a good jett from Turkish VRL, it would fix role issues too because sheydos will be back to his primary role
they don't need a flex player, they need a jett. Trexx is primary sova/raze flex, sheydos plays flash initiators, wolfen is decent on sentinels, kolda should pick up controller role.
My Vitality noo I don't think they really fell off that much outside of when facing both of the Turkish teams. They looked so bad and off vs FUT and BBL but looked decent/good vs others like they went 10-13 twice vs NaVi, and OT and 8-13 vs Fnatic, beat Liquid, close 1-2 game vs Giants etc.