HM Oryx Challenge? (ps3) Read before disregarding

Me and a buddy, we both jnow what were doing, are trying to do as the title suggests oryx HM Challenge, i can understand many people would turn this down for multiple reasons. i ask though, that maybe someone with a few other people be able to help accomplish the one thing ive been trying to accomplish for so long, getting to 335 and getting my last trophy for the game, it mght be a little, or a lot to ask, but if anyone might be able to help id be unbelievably grateful for itd be the first time completing it and i can finally say ive killed oryx on hard. Maybe if someones willing youd help InfinitRvolution? Thats my psn Edit: sorry for not being brackets..