Subnautica 2 Feedback Resonator Guide — Alien Bloom Clear

Overview

Modified sound amplifier — destroys Alien Ruins Blooms

The Feedback Resonator is the most advanced resonator upgrade. Alien Blooms are immune to the Sonic Resonator — only the Feedback Resonator can clear them.

How to Get

Fragment in Alien Ruins

Found in Alien Ruins near Power Plant

Step-by-step:

1. From the Power Plant, head up

2. Through red plants, down right of power plant wheel

3. Turn left at intersection

4. Continue straight until you see a light

5. Head down to where the light is

6. Towards lit spot next to purple roots

Feedback Resonator on the floor next to the light source

Craft at Modification Station

Material	Amount
Sonic Resonator	x1
Enameled Glass	x2
Conduit Crystal	x2
Strontium	x2

Note: The Sonic Resonator is consumed upon crafting.

Uses

Clear Alien Blooms

Only way to clear Alien Ruins Blooms

Required to unlock Axum Vision and progress endgame

Mine Material Clusters

Same as Sonic Resonator but with longer range

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The Bottom Line: Feedback Resonator — Alien Bloom Clear is one of those crafts that looks simple on paper but becomes a bottleneck if you don’t plan ahead. I’ve been in the situation where I needed one more and had to swim back across three biomes to get it. Build extras. Store them in a locker. Future you — the one who’s 200 meters deep with a Leviathan on your tail — will be very grateful.