I've played since day 1 across 2 consoles and beaten every activity in the game innumerable times with best or near best performance in the group and I have never gotten a Gjallarhorn, and never needed it. I solo Nightfalls often Oh! I once had 2 players run away from me in PvP upon sight, I won by a landslide on a team of 3, they were a team of 6, ended with an 8.0 K/D, best I've done