http://destiny.wiki.fextralife.com/Damage+Types Its for shield type extra dmg It works on warlocks flame shield On titans shield over time Over shields Ect.... Icebreaker = aka trials crutch breaker Vex mythlo cast aka vex f U cast Queen breakers bow again epic gun which gave u a huge adv Bad ju ju an red death----> you honestly believe those arent crutches?! Yea the IB one is as bad as bad ju ju. But yea