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Celestine, Atacamite and Troilite: routes from the Alien Ruins

Three separate trips for depth progression and the turbine’s processing chain.

Early Access 1.2 · Buddy System Hotfix 1, September 3 amendment · Updated 2026-09-12

The short answer

Start with Celestine near the southeast Needler nest for depth progression. With the depth upgrade equipped, look below the eastern dwellings for Atacamite, then follow the purple tubes toward the deeper Metal Farms for Troilite.

Before you start

  • Sonic Resonator, oxygen support, vehicle repair supplies and free storage.
  • Distances are approximate published landmarks, not a measured Kingy circuit. Respect the live depth limit and retreat before oxygen becomes critical.

Celestine: southeast of the Research Base

  1. From the Alien Ruins Research Base, travel roughly 200 m southeast and descend over the cliff.
  2. Look for pale-blue crystal clusters near the Needler nest.
  3. Mine with the Sonic Resonator. Without a depth upgrade, park the Tadpole above its 250 m limit and keep any swim short.
Sources for this section

Atacamite: east-northeast dwellings

The landmark comes from an earlier walkthrough; its Sonic mining instruction is superseded by the official August 19 patch. A current-build collection demonstration remains on the verification backlog.

  1. Travel about 200 m on a roughly 75° bearing from the Research Base.
  2. Descend below 250 m toward the alien dwellings.
  3. Look left of the dwellings, on sand near Quartz, for dark-green crystal columns. Follow the current pickup interaction: Buddy System removed harvesting Atacamite with the Sonic Resonator.
Sources for this section

Troilite: purple tubes to the green pools

  1. Head east from the Research Base, descend and follow the purple tube toward the Angel Comb beneath the Power Plant.
  2. Continue northeast along another tube into the ravine and the green-pool Metal Farms area.
  3. Look for green, algae-like Mineralized Clinker. The reported region is about 870 m from the base and approaches 450 m depth.
  4. Mine with the Sonic Resonator and retain one raw Troilite for a farm.
Sources for this section

Turn the haul into turbine components

Processor outputIngredients for one
Titanium Ingot3 Titanium
Strontium2 Celestine
Mangalloy Ingot1 Titanium Ingot + 1 Atacamite + 1 Troilite
Sources for this section

Budget the complete repair

A new turbine takes 10 of each finished component. Expanding the recipes from zero gives 60 Titanium, 20 Celestine, 10 Atacamite and 10 Troilite. Twenty Titanium Ingots are needed in total: ten delivered directly and ten inside Mangalloy.

Use the Power Plant planner to subtract completed Mangalloy first, then allocate existing Titanium Ingots to the direct repair and remaining Mangalloy. This prevents counting the same ingot twice. Add farm construction, reserve minerals and vehicle upgrades separately.

Sources for this section

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.

Independent fan guide. Subnautica 2 belongs to Unknown Worlds and KRAFTON. Kingy illustration; not game footage or a navigable map.