I've wanted the Zombie-Apocalpyse WF47 since vanilla and I finally got it right after I went flawless for my first time in season 3.
I just had to get that off my chest lol
https://www.bungie.net/en/Profile/254/2530069 - on the Titan
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I got two, one rolled counterbalance and persistence, with a range perk in middle, beast lol Although now with the ammo nerf, field scout becomes desirable again.....