Well just before you leave to face RAAMM go into the last car and get the torqe bow and sniper these weapons will do: sniper torqe bow chaingun and gernades well this funny but when I was facing raamm i was angry he killed kim and made me use up my torqe bow so i kept reloading and shooting with my sniper in the head so you have to get easy headshots on raamm to beat him use gernades to get the kryll off then quickly switch to torqe bow headshot then to sniper headshot then the kryll come back keep doing this and if you run out of gernades use torqe bow.