SUBNAUTICA 2 GUIDEDeep-sea field manual
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Sonic Deterrent

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The Sonic Deterrent is an alien structure found in the Lava Lakes biome, designed by the Precursor Race to repel Sea Dragon Leviathans from the Primary Containment Facility. Despite their intended purpose, these structures have no effect on fauna in gameplay.

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Sonic Deterrent

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PropertyDetails
TypeAlien Structure
BiomeLava Lakes

Sonic Deterrent refers to five, roughly cubic structures constructed by the Precursor Race. They stand on three cables which connect to the hardened volcanic rock below. Sonic Deterrents can be found around the Lava Lakes, in close proximity to the Primary Containment Facility.

According to their databank entry, the purpose of the Sonic Deterrents is to deter the native life forms - most notably the Sea Dragon Leviathan - from straying too close to, and potentially damaging the Primary Containment Facility. However, this has no effect on any fauna in game, thus rendering them useless.

Data Bank Entry

These small alien structures are emitting high wavelength soundwaves which seem to be designed to deter indigenous lifeforms from approaching the larger facility.

Many Sonic Deterrents around the Lava Lakes Many Sonic Deterrents around the Lava Lakes

One of the two Sonic Deterrents closest to the Primary Containment Facility One of the two Sonic Deterrents closest to the Primary Containment Facility

Trivia

The Sonic Deterrents look very similar in appearance to the cube-like structures around the Quarantine Enforcement Platform. It is unknown if these structures have the same purpose, or are just similar in appearance.

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