Get rid of power ammo from crucible especially game modes like rumble. It ruins it with people camping heavy so they can spam their shotguns/fusion rifles. I don't mind getting killed and losing games but if I die just because someone is spamming power ammo then it just completley demotivates me because power ammo really isn't even fun to use in crucible IMO.
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People camping heavy are sitting ducks, dude. Sounds as though you're playing too passively.