Whoever voted no may not have him or not know how to use him properly. Even unduped you can shut down regen, etc. if you play your sp1 and sp2's wisely. 1-2 in Despair helps a lot as does Resonate. My r4 5* took out ROL WOlvie on a fun run in < 80 hits.
Comments
Worth the rank up and a science gem all day. Maybe not r5 til duped tho