Bloodthirsty psychos are everywhere in the Borderlands, but what makes them so uniformly deranged? Brilliant scientist Patricia Tannis theorizes they've all been driven insane by the knowledge of a mythical place she's dubbed ""Vaulthalla."" And the key to uncovering this legendary location lies with the most badass psycho of them all: Krieg, an unlikely ally who swings his viscera-soaked buzz-axe on behalf of the Crimson Raiders. Unfortunately, every attempt to get information from Krieg quickly devolves into yells of ""Butchery for juicy weasels!"" and other equally unhelpful exclamations. The only way to learn the true nature of Vaulthalla