Borderlands 2: Enter Smoking Guano Grotto
Head on forward along the path until you pass the first buildings and line up with the search area below you. Run and jump off the ledge to save yourself a lot fo fighting for now. This will lead you right to Smoking Guano Grotto
Brick: "My Slabs have been fightin' the Sawteeth for years. These bastards handed dozens of Vault Hunters to Jack once the pay got good enough. You kill 'em all, Vault Hunter. And you smile while you do it."
As you enter Smoking Guano Grotto:
Brick: "You've gotta steal some Y-95 Odomo charges if you wanna get into the info stockade and find teh Warrior. Take the elevator to get to where they store 'em."