Gojoseon · Myth & belief
Usa
The rain figure among Hwanung’s companions in the Dangun myth.
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Korea time. Views once per browser per day; interest once per browser.Tradition
Usa descends with Pungbaek and Unsa in the foundation story. His name identifies him with rain, essential to farming.
Legacy
The account gives him a function rather than a separate adventure. Elaborate rainmaking techniques belong to later interpretation or fiction.