The short answer
Scan two Sonic Resonators, refine materials with a Processor and craft at a full Fabricator. This tool opens large ore veins and removes Bloom Biofilm.
Before you start
- A charged Scanner and a base with full Fabricator.
- Gather small Lead chunks before attempting large Lead veins.
Find the tool and build it
At the Old Habitat roughly 370 m north, one fragment is right of the entrance and another is ahead near the fallen table. A nearby alternative sits on a desk in a cave around 345° north of the Lifepod.
Craft with 1 Basic Battery, 2 Titanium Ingots, 2 Lead and 1 Wiring Kit. Loose Lead is reported in a ravine about 250 m northeast. Make the ingots with a Processor; the Lifepod Fabricator is insufficient.
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Remove the doorway blockage
Charge the Resonator while aiming at Bloom Biofilm, then release the completed charge. A partial attempt or the Multitool will not substitute for the required tool. Scan the Processor at the Old Habitat if ingot production is blocking you.
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Current creature behaviour
Buddy System gives the Sonic Resonator a 10-second creature stun. The Feedback Resonator now stuns creatures too, instead of making them flee. Keep enough charge for the obstacle you came to clear.
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Your checklist
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Research checked 2026-09-12. This is a source-based guide; Kingy has not independently play-tested these steps. Evidence and coverage.