What Seongju Guards in a Korean House - Myths of Asia
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Seongju is the household spirit most closely tied to the house as a whole, not to a single room. Other household spirits have their own places and duties,

Seongju is the primary household spirit in Korean tradition, closely tied to the structure of the house as a whole rather than a single room. While other spirits have specific duties in places like the kitchen hearth or house site, Seongju watches over the entire dwelling.