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…