I mean, anti barrier rounds do this guns job and more, i would see this as a good buff to bring it into to meta. If it is a thing about having an exotic of each, then a possible overload candidate could be trinity ghoul, and for an unstoppable weapon, maybe Jotunn?
I just want to see a bit more use out of skyburners really.
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I feel eriana vow should be both anti p and unstoppable. Would give it a lot more use by population, could pair it with an overload primary and all the champions are covered.