its not mistake from game. im sure its mistake from players
as i know much ppl so late for raising power, every instance have power recomended self.
as i know, much ppl just use ninja with fail combo, why u can have good line up for PvP/PvE. exemple, in my group i have 1 - 5 ppl use sht line up;P, he use MB, chiyo, naruto, kakashi. its lol men, he was lv 74 and have power 17k. so what u think u can doing high plot ?