Can you get it solo? Because I don't have anyone to play with on PC for the raid, my requirements seem to be too much/rare.
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You can get it, but it requires you to do the first part of the raid (with the banners and whatnot) solo on prestige. I mean, it isn't even worth it unless you're going for score. All the masterwork gives is range, but skyburners doesn't have any drop-off because it's a projectile weapon instead of hitscan.