Discover how to locate and enter Craven’s Nook Order Bunker in Borderlands 4 to farm powerful Legendary weapons.

Craven’s Nook is one of the six Order Bunkers in Borderlands 4. Like other Order Bunkers, it houses a powerful boss that you can farm to obtain Legendary loot. The Callous Harbinger of Annihilating Death awaits at the end of Craven’s Nook, and defeating it can potentially yield three different weapons of Legendary rarity.
Borderlands 4: Craven’s Nook Order Bunker Location

Craven’s Nook Order Bunker is located in the Heart of the Mountain area on the eastern edge of Kairos. The closest fast travel location is the Bones of Sanctuary to the south, followed by The Reliquary to the southwest.
Craven’s Nook Order Bunker Walkthrough
However, you must complete the 4th main story mission, One Fell Swoop, to unlock the bunker. If the mission isn’t done, the corrosive canister by the entrance will not spawn.
How To Open the Craven’s Nook Order Bunker

After following your waypoint to the bunker and reaching Mountain’s Apse, you’ll have to use the grappling hook to cross the chasms. After using three grappling nodes, you’ll reach the bunker’s entrance, blocked by a bio-armored door.
While facing the door, turn left and look down the cliff to find a Locust Station. Use your grappling hook on it to grab a Locust Canister and throw it at the bio-armored door. The barrier will dissolve, and the Craven’s Nook Order Bunker is open for exploration.
Also read: Borderlands 4: How To Get the Rangefinder Legendary Pistol
How To Reach the Callous Harbinger of Annihilating Death
Once inside the bunker, head straight through the first room and look to the left upon entering the second. Grapple the vent grate, climb through it, and turn right. When you enter the elevator shaft, jump onto the climbable wall ahead, then double-jump to the wall on the left. Finally, grapple the node at the top.
Next, you’ll enter a large chamber with Synth enemies. Head through the doorway on the left (southwest) side and turn left again to reach a room with two vending machines. Restock on supplies if needed and jump down the chute to face the bunker’s boss, Callous Harbinger of Annihilating Death.
Craven’s Nook Order Bunker Rewards

By defeating and farming the Callous Harbinger of Annihilating Death within the Craven’s Nook Order Bunker, you can obtain the following Legendary equipment.
Legendary | Type | Effect |
---|---|---|
Hot Slugger | Shotgun | • Blazing Barrel – On kill, deal +30% damage for 10s for a maximum of 3 Stacks. |
Kaleidosplode | Shotgun | • Colorful Mess – Fires a slow-moving, multicolored orb with limited range that deals elemental damage. |
Atling Gun | Heavy Weapon Ordnance | • Whistler – Bullets track targets; reduced rev-up time and fire rate. |

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