Go to the catacombs on padres and look on your compass get down to the very bottom walk way and u will keep going until u see like a big hook on your compass. the wall forms a hook is wat i meean. go inside the hook and run at the wall while u r pointing slightly to the left.u should go through the wallthe run into the lava pool.it works best with people with grenades and long throw skill.there is a boss straight down the corridor in front of the little semi-circle on lava at the front of the lava.throw the grenade down the corridor and try to hit the boss and the raiders.stinkpot or smoke work best.my pirate is john renwald lv 37 if u want to try and find me