No clue man. I wish I could tell you. I have VoC and Fatebringer and it's hard to want for more with those two fantastic weapons. The fact that Fang of Ir-Yut is not full auto is a total deal breaker for me right now. Fatebringer is just so......good. The Word of Crota appeals to me because it seems to be a REAL primary void damage weapon. EDIT: I now have Fang of Ir Yut. It was kind of anticlimactic. I can't doubt that it's good, however without the full auto perk it's still second best to VoC. The Turd of Crota hand cannon still eludes me. EDIT 2.0: Been using Fang a lot more now. It's maxed out and it's doing very well. I needed trigger finger practice I guess. I like WoC too. It's an excellent weapon but still not quite Fatebringer.