Borderlands 4: Conquer Blacklime Bunker & Core Observer Boss

Q: How to enter Blacklime Bunker?

The Blacklime Bunker is in The Fadefields, requiring a Locust container to open. Inside, navigate simple obstacles to reach the Core Observer boss. Defeat it by targeting its weak spot and using Shock damage for legendary loot and SDU Tokens.

Q: Where to find Locust container?

The Blacklime Bunker is in The Fadefields, requiring a Locust container to open. Inside, navigate simple obstacles to reach the Core Observer boss. Defeat it by targeting its weak spot and using Shock damage for legendary loot and SDU Tokens.

Q: How to defeat Core Observer boss?

The Blacklime Bunker is in The Fadefields, requiring a Locust container to open. Inside, navigate simple obstacles to reach the Core Observer boss. Defeat it by targeting its weak spot and using Shock damage for legendary loot and SDU Tokens.

Q: What legendary loot does Core Observer drop?

The Blacklime Bunker is in The Fadefields, requiring a Locust container to open. Inside, navigate simple obstacles to reach the Core Observer boss. Defeat it by targeting its weak spot and using Shock damage for legendary loot and SDU Tokens.

Q: How to get SDU Tokens?

The Blacklime Bunker is in The Fadefields, requiring a Locust container to open. Inside, navigate simple obstacles to reach the Core Observer boss. Defeat it by targeting its weak spot and using Shock damage for legendary loot and SDU Tokens.

AntMag.NET

Borderlands 4

Order Bunker: Bunkers

Learn how to find and enter the Blacklime Bunker in Borderlands 4. Discover the strategy to defeat the Core Observer boss and its legendary loot drops.

By teroqim·Originally published: November 2025·Updated 4 months ago·10 min read·Multi-source verified

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81 Metacritic ★★★★☆ 20 reviews

1 reading this guide

Order Bunker: Bunkers

Learn how to find and enter the Blacklime Bunker in Borderlands 4. Discover the strategy to defeat the Core Observer boss and its legendary loot drops.

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