Siren Monster Guide

Current verified Siren state

The newest official patch found at the research gate explicitly names Siren twice: a pull sound was added and knockback was restored. These details are current as of the Aug 26 China-date release.

The update does not provide a complete behavior dossier, so this page stays centered on those two observable hooks.

Use the pull sound as a warning

A sound cue can give the crew information before or during a pull, but the note does not define its audible distance or whether other scene audio can mask it.

When the cue occurs, stop optional hauling actions, identify safe footing, and communicate the direction if the crew can do so without creating more confusion.

Knockback is restored

Restored knockback means positioning matters again. Avoid treating narrow edges, moving equipment, or crowded loot lanes as safe just because an earlier build behaved differently.

No official force value is published. “Restored” proves the effect returned, not how far every target moves.

Evidence-safe survival plan

Keep an exit line, avoid stacking the crew in one displacement lane, and pause a heavy carry when the audio cue starts. Those habits reduce exposure without relying on a fake cooldown.

Solo players should favor stable footing and shorter hauling stages. Co-op crews can call the cue and separate recovery space.

Do not invent range or cooldown

The checked patch does not state pull range, cooldown, damage, health, spawn map, spawn probability, immunity timing, or exact knockback distance. Community observations can help identify questions but cannot fill the numeric fields.

If the client changes after another update, record the build and compare it with a dated official note.

Patch history and related threats

Aug 26 is the current durable Siren record: pull sound added and knockback restored. The monsters hub also tracks Headcrab and Man in Shadows reductions from the same patch.

Use the finder for clue matching, then return to the hub for the non-complete roster and patch-observed threat section.

Direct answers

Frequently asked questions