Watch the reveal trailer for Borderlands 3's fourth campaign add-on: Psycho Krieg and the Fantastic Fustercluck!

Ready to say goodbye to sanity, Vault Hunter? Psycho Krieg and the Fantastic Fustercluck, the fourth campaign add-on for Borderlands 3, will send you on a savage and surreal journey into madness starting September 10.

Brilliant scientist Patricia Tannis may have cracked one of the galaxy's greatest mysteries: what makes the Borderlands' psychos so uniformly deranged? She believes the answer lies with Vaulthalla, a mythical place that induces insanity in all who learn its true nature. Of course, your average psycho isn't going to peacefully sit still and share Vaulthalla's secrets, so the closest you can get to a willing participant is Krieg, a fellow Crimson Raider and the most badass psycho there is.

Problem is, Krieg's not the best communicator, what with all his aggressive, barely coherent screaming. Using technology that lesser intellects couldn't possibly comprehend, Tannis is beaming you and your fellow Vault Hunters directly into Krieg's consciousness so you can discover Vaulthalla for yourself. You'll need to team up with both of Krieg's opposing personas—a raging murder machine and a calm inner voice—if you want any chance of surviving his twisted, meat-filled mindscapes and reaping Vaulthalla's rewards.

Now that you've had a taste of Krieg's psychedelic inner world, check out IGN's gameplay video above, featuring some frantic firefights against Krieg's imagination. And in case you missed it, be sure to watch a special episode of the Bordercast below, featuring Borderlands Show co-host Fran Mirabella and Max Babin, Game Director at Gearbox Software, discussing some of the standout features of this new campaign add-on. Psycho Krieg and the Fantastic Fustercluck will launch on September 10 and is included as part of the Borderlands 3 Super Deluxe Edition and the Season Pass.