Architect

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An architect is a headmate who creates and destroys locations in headspace. They can also edit, change, and take care of locations in headspace.

Related Terms
Gardentenders and groundskeepers similarly focus on headspace maintenance, with gardentenders focusing more on protecting areas and groundskeepers focusing more on creating new ones.

Beastmaster is a companion term, with a focus on editing living but non-sentient parts of a headspace, such as plant life or NPCs.