Okay I been stuck on this quest since the gun came out i tried and tried got multiple 4 kills as an invader hundreds of times and never once got progress to it past this point recently got 6 kills in 1 invade and multiple multiple games that i had all 4 kills and still stuck on the same damn percentage wtf is going on i shouldve had it since the gun came out bungie explain this bs im sick of trying to grind for something that its not counting towards at all