Complete the Alien Ruins Angel Comb for Axum Vision, repair the turbine above it, then turn the opposite control room’s indicators green and activate its central console. The Observatory entrance is on the tower’s west side.
On screen: At about 438 m the cured Angel Comb spreads blue-green wings in green water; the diver moves in among glowing pink bulbs at 427 m and an Axum Vision adaptation panel appears on screen.
Check the guide’s version notes before following older footage.
“How to Turn On Power in Alien Ruins FULL GUIDE Subnautica 2” by WoW Quests · May 15, 2026 · Early Access launch window (uploaded 2026-05-15); predates the Adaptive Measures and Buddy System updates
One new turbine · Early Access 1.2 · Reviewed September 12, 2026
Final delivery: 10 Titanium Ingots, 10 Mangalloy Ingots and 10 Strontium. Enter what you already own once; ingredients consumed by a finished component are no longer raw stock.
Finished components in stock
Raw materials available to spend
Keep farm seed minerals outside these counts.
Still to gather
Raw shortfall after allocating your finished components
Material
Recipe requirement
Still needed
Titanium
60
60
Celestine
20
20
Atacamite
10
10
Troilite
10
10
Then craft at the Processor
20 Titanium Ingots (including ingots used in the remaining Mangalloy)
10 Mangalloy Ingots
10 Strontium
Excludes vehicle upgrades, farm construction, retained seed minerals and repairs already partly completed. A turbine covered by the September 3 recovery fix needs no additional materials. Inventory is not saved or connected to the game.
Scan the damaged turbine. Use the Habitat Builder to construct its replacement with 10 Titanium Ingots, 10 Mangalloy Ingots and 10 Strontium. The materials planner below accounts for completed components you already own.
Spoiler clip · Rebuilding the turbine until the PDA reports the overhaul complete · reveal
Older footage · checked Oct 25, 2026 · before Subnautica 2 Early Access 1.2 (Buddy System, October 2026)
On screen: With the creator's caption ‘Requires 30 ingots – Titanium, Strontium, Mangalloy 10 each’, the diver pulls ingots from storage, builds at the turbine with the Habitat Builder, and the PDA reads: Power plant overhaul complete. Bloom cleared. Ready for restart.
Check the guide’s version notes before following older footage.
“How to Turn On Power in Alien Ruins FULL GUIDE Subnautica 2” by WoW Quests · May 15, 2026 · Early Access launch week (uploaded May 15, 2026); predates later Early Access updates
On screen: At an alien control panel about 400 m down, the gauge needle sits in the red; the diver adjusts it until the arc and needle glow green and the hand-shaped panel beside it lights up.
Check the guide’s version notes before following older footage.
“How to Turn On Power in Alien Ruins FULL GUIDE Subnautica 2” by WoW Quests · May 15, 2026 · Early Access launch week (uploaded May 15, 2026); predates later Early Access updates
On screen: Inside the control room the screen shows the turbine icon; after the diver activates the console its central display turns solid green and the turbine graphic lights above it.
Check the guide’s version notes before following older footage.
“How to Turn On Power in Alien Ruins FULL GUIDE Subnautica 2” by WoW Quests · May 15, 2026 · Early Access launch week (uploaded May 15, 2026); predates later Early Access updates
PC Gamer’s writer already had the Bioscanner when scanning the turbine and could not confirm that it is mandatory. This guide therefore does not present that upgrade as a proven gate. If scanning fails, record the build and the exact on-screen prompt before gathering a new upgrade.
Sources · 5Official · Walkthrough · checked 23 Oct 2026 · Research checked 8 Oct 2026
Official Steam announcements ↗Released update history through Buddy System Hotfix 2 on October 6, including the September 3 turbine amendment. Older prelaunch announcements are historical.Official ·
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3:23–3:33 · 10 sReceiving Axum Vision at the cured Alien Ruins comb