We did it!
In gratitude for your heroic efforts in defeating Zhaitain, we'd like to reward you with a new weapon to commemorate your achievements. Please give this token to Pact Requisitioner Hargrove in Fort Trinity, and he'll get you set up with a spiffy new weapon!
That NPC where a get my weapon is bugged yet? Because the door used to reach him opens only after complete Arah Story mode again.
Where I can find him?