Forerunner Gaming

Yeah, I don't know. But I got 8 HUGE kills and...well, yeah.

Proof of 8 Kills
http://i.imgur.com/12HFJ79.jpg

Quests afterwards
http://i.imgur.com/C9DBE5y.jpg

820 wtf

The same thing with secret weapon.

I've gotten around 25 kills that haven't counted. I think it has something to do with headshots.