They need to add an alternative method to obtain this. Not everyone is the hard core sweat PvPer. Not to mention when I tried the 4 times today, I was instantly killed from across the map and others had instant supers as soon as I exited the cave, *boom* dead. So, I just didn't respawn and wasted that persons time. Maybe Bungie should keep their Gambit Invader game mode in Gambit.

Update - 51 ish my rng