Borderlands: Tannis's Lab

An unstable Eridian Vault Key threatens the lab of notable scientist and Eridian expert, Patricia Tannis. In the midst of this chaos, it’s up to you and your team of Vault Hunters to repair the lab, then stabilize and charge the vault key for a face-off with a Vault Guardian. But you must hurry! Failing this mission could destroy the planet as we know it!