The sprawling open world of Kairos in Borderlands 4 is packed with hidden collectibles, and the elusive Vault Symbols are among the most valuable. Tracking down and interacting with these secret markers rewards you with precious SDU Tokens, essential for upgrading your ammo capacity and backpack size. This comprehensive walkthrough covers every single Vault Symbol hidden within the Fadefields region, including those inside complex dungeons and enemy strongholds that are easy to miss.
Why Finding Vault Symbols is Essential
Before we dive into the locations, understand the payoff: SDU Tokens. Unlike random loot, these are guaranteed upgrades. For players aiming to tackle Borderlands 4’s endgame, maximizing your storage and ammo reserves is non-negotiable. Hunting Vault Symbols is the most reliable way to achieve this.
Coastal Bonescape Vault Symbols (3 Total)
As the game's starting zone, the Coastal Bonescape hides three symbols.
- Symbol 1: Plungeford House. Located in the town of Plungeford, specifically inside the multi-story building from the "Meat is Murder" mission. Navigate through broken walls and cracks to reach the upper floor to find it.
- Symbol 2: Rocky Outcrop. East of Plungeford, near the exit leading to The Howl. Look for a prominent rock formation; the symbol is easily spotted on its face.
- Symbol 3: Eastern Cliffside House. Far to the east, near the Waterstop point of interest. A house perched on a cliff is home to Kratches and this final symbol. Clear the enemies and climb to the roof to claim your reward.
The Howl Vault Symbol (1 Total)
This area contains a single, cleverly hidden symbol.
- Symbol 1: Outbounders' Base. Travel to the Launchpad and locate the entrance to the Outbounders'hidden base. Before descending the main staircase inside, look for anarrow ledge on the right-hand side. Follow this hidden path to discover the symbol on the wall.
Hungering Plain Vault Symbols (2 Total)
Two symbols await here, with one tucked inside a heavily guarded base.
- Symbol 1: Ruined Border House. Close to the wall separating Fadefields from Timekeeper's Dominion, aruined house holds this symbol. Use your double-jump ability to reachthe second floor to tag it.
- Symbol 2: Horace's Oversight Base. This symbol requires you to fight through the Order base. Progressthrough the compound until you find a doorway marked by two triangularlights. Inside the subsequent room, pry open the vent cover on the farwall. Crawl through the vent to find the symbol in a hidden room.
Idolator's Noose Vault Symbols (3 Total)
The map shows two, but a third is hidden within a major dungeon.
- Symbol 1: Western House Attic. In the far western part of the region, locate a tall house. Enter and carefully navigate to the attic space to find the symbol.
- Symbol 2: Southern Village Rooftop. South of the Deep Seven Silo, a peaceful village holds another symbol.Scale the roof of the tallest house and enter through a large brokenwindow in the attic to locate it.
- Symbol 3: Fortress Indomita (Post-Boss). After defeating the boss Indomitus Sol, you can fast-travel directlyinside Fortress Indomita. In the large hangar area with a central chasm, find a vent cover near a checkpoint. Crawl through this ventilationshaft to access a control room where the final symbol is hidden.
Dissected Plateau Vault Symbols (2 Total)
Home to the Fadefields Vault, this zone has two challenging symbols.
- Symbol 1: Ship Wreckage Hill. Fast travel to Zadra's Backup Plan and take the cargo elevator to thesurface. Head to the highest nearby hilltop, littered with ship debris.The symbol is etched onto a broken piece of hull near a tree, close tothe actual Vault entrance.
- Symbol 2: Oppressor Boss Base. This complex puzzle is inside the Order base where you fight theOppressor. You must cover yourself in Wildhorn guts to bypass securityscanners. After being scanned and sucked into the facility, jump off the conveyor before the crusher. Look for a climbable metal grate wall,proceed through the vents, and drop into a room behind a red one-waymirror to find the well-hidden symbol.
By following this guide, you'll secure every SDU Token available in theFadefields, giving your Vault Hunter a significant advantage for thechallenges ahead on Kairos. Happy hunting!
Platform(s): PlayStation 5 PS5, Microsoft Windows PC, Nintendo Switch 2, Xbox Series X/S
Genre(s): First-person shooter, action role-playing
Developer(s): Gearbox Software
Release date: September 12, 2025
Mode: Single-player, multiplayer
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