Borderlands 4’s first story DLC, officially called Mad Ellie and the Vault of the Damned (also known as Story Pack 1), is set to launch on March 26, 2026. Gearbox Software and 2K have been sharing solid details through their DevCast, the full reveal trailer, and the official 2K newsroom, so there’s no guesswork here.
In this article you’ll learn the exact release date for Borderlands 4’s first story DLC, the full story setup, details on the new playable character C4SH, new enemies and bosses, and much more. Side note: Lootbar is a straightforward spot many players check for Steam Keys or in-game resources.
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Borderlands 4 Mad Ellie and the Vault of the Damned Release Date and Availability
The Borderlands 4 DLC drops on Thursday, March 26, 2026. It lands alongside a big free patch for all players that adds shared progression across your characters.
You don’t need to finish the entire base game to start. Just complete the first four main story missions, then pick up the new mission “A Lot to Process” in the Fadefields region. From there the DLC area opens up. Or, if you want to skip straight in, you can create a fresh Vault Hunter that auto-levels to 13 and drops you right into the new content.
It’s included if you own the Super Deluxe Edition or the Vault Hunter Pack, but everyone else can buy it separately on PlayStation 5, Xbox Series X|S, Steam, or Epic Games Store. The base Borderlands 4 game is required, of course.
The Story Setup in Whispering Glacier – Cosmic Horror Meets Classic Borderlands Chaos
The tone shifts darker this time around, leaning hard into cosmic horror while still keeping that signature Borderlands humor and over-the-top action. A malicious cosmic entity is threatening the planet Kairos, and madness is literally in the frigid wind.
You team up with Ellie—Moxxi’s daughter and the fan-favorite mechanic—who’s gone a bit “mad” in the best possible way. The new zone is called the Whispering Glacier, a frozen wilderness littered with chunks of the moon Elpis (yes, the one from Borderlands: The Pre-Sequel). Expect derelict ships, eldritch growths you can smash open for new paths, loot, and puzzles, plus a mysterious alien monolith that leads straight to the Vault of the Damned.
Returning characters include Crazy Earl (who apparently crash-landed here with Ellie), Pickle from The Pre-Sequel, and Mancubus Bloodtooth (the peculiar proprietor from Borderlands 3’s Guns, Love, and Tentacles DLC) who seems to play a major guiding role. The whole campaign feels self-contained, so you won’t feel lost even if you haven’t replayed every previous game. It’s designed as a fresh treasure-hunt story that fits right into the Kairos setting without needing a lore PhD.
Meet C4SH the Rogue – Borderlands 4’s New Gambling Robot Vault Hunter
This is the big one for a lot of Borderlands 4 players: the first of two new Vault Hunters coming via paid story packs. C4SH is a CasinoBot who won a high-stakes card game and scored a magical deck packed with eldritch boons.
He’s all about risk and unpredictability. After years of calculating every probability on casinos and battlefields, C4SH finally gets to feel what it’s like to be human by betting everything on himself. His playstyle revolves around bending luck in your favor with randomized effects that can turn fights around in wild ways.
C4SH has three Action Skills to choose from and three branching skill trees full of passives and augments. One confirmed Action Skill called Sleight of Hand lets him draw cards from his Deck of Kanansi and fling them as powerful spells. He dual-wields revolvers, spins through enemies, and summons eldritch totems using enchanted Bone Dice.
New Enemies, Bosses, and Gameplay Features That Change the Loop
The Whispering Glacier isn’t just a pretty frozen backdrop—it’s packed with fresh threats. You’ll fight grizzled DAHL Legion soldiers who deserted their posts on Elpis, plus returning Pre-Sequel enemies like Kraggons and Scavs (complete with those space Australian accents fans loved).
Boss content is stacked: two major boss fights and 16 minibosses, all with their own dedicated loot tables. Everything is replayable thanks to the new Nightmare Rift mechanic—a twisted version of world bosses where communing with eldritch trees warps you into a nightmarish dimension for a random tough encounter. There’s also Moxxi’s Big Encore machine for quick boss reruns.
On the quality-of-life side, the big free patch adds full shared progression. Your SDUs, map exploration, fast-travel stations, collectibles, and activity completions now carry over between characters on the same account. It makes experimenting with C4SH (or any other hunter) way less painful.
Fresh Loot, Cosmetics, and Endgame Rewards
Gearbox knows what Borderlands players crave, so the DLC delivers. You get three new Pearlescent weapons plus 11 Legendary pieces: two Grenades, two Heavy Weapons, two Shields, and five Class Mods that open up even more wild builds.
Cosmetics are generous too—28 new items in total:
- Two Vault Hunter Heads and four Vault Hunter Skins usable by everyone
- Eight extra Vault Hunter Heads and one alternate body just for C4SH
- Four Weapon Skins, four Vehicle Skins, three ECHO-4 Drone Skins & Attachments, and one ECHO-4 Frame
New trophies and achievements round things out, plus heaps of endgame challenges that line up with the earlier free raid boss Bloomreaper the Invincible.
Wrapping Up What We Know So Far About Borderlands 4 DLC:
Mad Ellie and the Vault of the Damned is shaping up to be exactly what Borderlands 4 needed after launch: a bold horror twist, a lovable new Vault Hunter who plays like nothing else in the series, and a big chunk of high-quality content that respects your time while rewarding repeat play.
For those still on the hunt for a Borderlands 4 Steam Key, it can be bought quite easily via Lootbar. That’s because it is a reliable platform that offers competitive prices and instant delivery, so one can easily get a base game or expansions.
