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Borderlands 3 Brainstormer Legendary Farm Location

This Borderlands 3 Brainstormer location guide will teach players how to get the legendary Brainstormer shotgun in Borderlands 3.

If you’re playing Borderlands 3, you may have heard of the Brainstormer, a legendary shotgun capable of tearing through mobs with huge AoEs of chaining electricity. This guide will tell you all you need to know about what the Brainstormer is capable of and where to farm it.

Borderlands 3 Brainstormer Traits

borderlands 3 brainstormer

The Borderlands 3 Brainstormer shotgun is a shock elemental shotgun that, when fired, links enemies together with an electrical charge that deals significant damage and melts their shields.

This weapon is, on most characters, considered to be one of the best all-around options for mobbing because of its linking ability and its ability to damage multiple enemies at once..

Lucky for you, it’s also very easy to farm and obtain.

Borderlands 3 Brainstormer Location

The Borderlands 3 Brainstormer shotgun drops off of the Katagawa Ball, which is the final boss of the Skywell-27 area on Promethea. This is the area you visit with Rhys in order to destroy a giant laser that’s terrorizing the Atlas forces on Promethea.

Katagawa Ball itself is a shockingly (heh) easy boss fight. In all the times I’ve fought it, I don’t think it’s even inflicted damage on me. To be honest with you, I’m not entirely sure what its attacks even are. Anyway, it’s not a particularly significant threat. You shouldn’t have much difficulty with it.

Katagawa Ball has a huge surface area and it moves slow, so any weapon capable of pumping out a large amount of damage like the Dictator or The Cutsman will just absolutely melt through it in seconds.

Borderlands 3 Brainstormer Legendary Farm Location

That’s him. That’s the guy. It’s a huge, useless cyber ball and it hates you.

Here’s where the Katagawa Ball lives on the map:

katagawa ball Borderlands 3 Brainstormer Legendary Farm Location

This farm really shouldn’t take very long because, in all honesty, there aren’t that many varieties of Brainstormer and it drops a lot. Basically all you’re looking for is a Brainstormer with whatever your preferred anointment is.


Even after several updates, the Borderlands 3 Brainstormer shotgun remains an amazing piece of equipment that you’re going to want to pick up and add to your character’s arsenal. With the Brainstormer, you’re able to take out huge swaths of enemies easily. It’s a fantastic option for fights with large amounts of mobs and large enemies that can stay in the bullet’s area of effect and take damage multiple times.

The Brainstormer is a great gun and it’s fairly easy to get off of the Katagawa Ball that you can find in Skywell-27. The Katagawa Ball boss is not particularly difficult and the gun is a fairly common drop. For a gun that doesn’t require too much effort to obtain, the Borderlands 3 Brainstormer shotgun looks even better.

If you’re able to enter Skywell-27, defeat the Katagawa Ball and get your hands on the Borderlands 3 Brainstormer shotgun, you’re going to feel it was worth the effort because seeing the Brainstormer in action is a great spectacle to behold.

I’ve used the Brainstormer on multiple characters and I’ve never been disappointed with the performance of this particular gun. I definitely highly recommend you search it out and add it to your inventory.

Anyway, that about does it for how to get the Borderlands 3 Brainstormer. Be sure to check out the Games Section for more content like this and also check out the Borderlands 3 Section for game guides for Borderlands including builds, tips, best guns, character reviews and more.


  • Ryan Night

    Ryan Night is an ex-game industry producer with over a decade of experience writing guides for RPGs. Previously an early contributor at, Ryan has been serving the RPG community with video game guides since 2001. As the owner of Bright Rock Media, Ryan has written over 600 guides for RPGs of all kinds, from Final Fantasy Tactics to Tales of Arise.

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