All Vault Hunter’s Guide To Kairos Locations & Rewards

September 13, 2025

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Borderlands 4 is packed full of interesting collectibles that players can track down throughout the seamless and massive open world of Kairos. Many of these collectibles come in the form of distinct ECHO device recordings that give players interesting information and backstory related to the world and narrative.

Borderlands 4 is a return to form for the franchise, and its various collectible items add an extra layer of depth, making exploration both rewarding and meaningful. A Vault Hunter’s Guide to Kairos are unique ECHO collectibles found in each region of Kairos, with twelve total to find as you make your way through the game.

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All Vault Hunter’s Guide To Kairos Locations In Borderlands 4

All Vault Hunter’s Guide To Kairos Rewards

All Vault Hunter’s Guide To Kairos Locations In Borderlands 4

There Are 12 Different Vault Hunter’s Guide To Kairos Collectibles

While there are many different collectibles in Borderlands 4, there are only a limited number of Vault Hunter’s Guide to Kairos comparatively speaking. For example, there are over 200 different Marcus Bobbleheads found across Kairos, and they aren’t even indicated on your map.

Vault Hunter’s Guide to Kairos collectibles are similar to Survivalist Caches in that there are very few, only twelve to be exact. Unlike Survivalist Caches, which are all found in the Fadefields, Vault Hunter’s Guide to Kairos collectibles are found across the entirety of Kairos all the way up to the final area.

Each Vault Hunter’s Guide to Kairos will activate when you pick it up and award you with XP and SDU upgrade materials, and will also trigger a recording from Arjay, your ill-fated companion from the prologue. These recordings fill you in on the goings-on around Kairos and provide an interesting backstory for the world.

Be sure to check your map regularly while completing various side missions, and if you’re struggling to find any Vault Hunter’s Guide to Kairos collectibles, try using the in-game pathfinding after the icon appears on your map to get closer to the device.

Guide	Area	Region	Location	Map Image
The Outbounders	The Fadefields	Coastal Bonescape	West of Waterstop
The Fadefields	The Fadefields	The Howl	East of Rootdown Estates
The Fields Are Alive	The Fadefields	Dissected Plateau	The Stubs
Home on the Range	Terminus Range	Cuspid Climb	East of the Shredded Summit
Currently Unavailable	Terminus Range	Cuspid Climb	Southwest of Mountain’s Apse	Image currently unavailable
Augers	Terminus Range	The Low Leys	Northwest of Belton’s Bore, hanging from a tree
The Electi	Carcardia Burn	Grindstone of the Worthy	Crumblehall
Carcadia Burn	Carcadia Burn	Ruined Sumplands	Just east of the Society for Amateur Seismology Enthusiasts in a Ripper camp
The Creatures of Carcadia Burn	Carcadia Burn	Tonnage Peel	North of Wreck of the Last Great Hope
Escape	Dominion	Carcadia District	Near the Final Defiance Fast Travel station after entering the city limits
Vault Hunting	Dominion	Terminus District	South of the Hydrus Sublab fast travel station, right next to the checkpoint
Dominion City	Dominion	Fades District	Just after leaving Zadra’s Lab, hanging on a nearby crate

All Vault Hunter’s Guide To Kairos Rewards

Collect All Vault Hunter’s Guides To Complete The Guided Tour Challenge

Each set of collectibles in Borderlands 4 rewards players for their efforts, even if it’s in a somewhat minor way. Collecting all the Vault Hunter’s Guide to Kairos collectibles will complete the “Guided Tour” challenge in your Collectibles Challenge menu. This rewards players with a bunch of XP, cash, Eridium, and a unique weapon skin.

Overall, A Vault Hunter’s Guide to Kairos collectibles are well worth picking up as you come across them while exploring Kairos. They provide interesting insight into the world, Arjay as a character, and will add to your progress toward full completion of Borderlands 4.