Vault

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A vault is a headmate that keeps memories completely locked behind closed doors.

They may or may not remember these memories, enabling them to speak about these memories. Even if they don't remember, they may feel like they're forgetting something important or have a similar feeling.

If they do remember these memories, they won't share them to anyone, regardless of trust.

A vault may also be an innerworld location that serves for memory storage or safekeeping.

Related Terms
They may be or work with a eraser, secret keeper, or gatekeeper.