Every exotic i have i bought from Xur (except like 1 or 2) then continue to get them as drops but never get any weapons i want *Ghorn*... I have come to learn then games RNG just hates me. i have brought countless people through nightfall, crota vog, vog hard, crota hard... and everyone i brought in all have gotten 1 of not all 3 of the 3 guns i am after. Vex, Ghorn, and Black Hammer. and am yet to get any of them