Chambers are locations in the Primordial Dream that have been altered by a moment of intense fear. Beasts may create Chambers by using Nightmares on thier victims; other supernatural beings can also cause sufficiently intense fear to leave a trace in the Dream and create a Chamber there.

A Chamber resembles the real-world physical location it corresponds to, in some distorted fashion. It becomes further altered if a Beast incorporates the Chamber into their Lair. If a Chamber is not incorporated into a Lair, it gradually begins to fade into the Mists at the edge of the Primordial Dream, becoming inaccessible from the real world. Such disconnected Chambers may serve as the Heart of the Lair for newborn Horrors.

The set of all Chambers corresponding to a given real-world community is its Hive.

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