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Seto is a great bear of immense power and the guardian of Animus. He watches over the village and would lay down his life for any of the other villagers. A stoic and aloof creature, Seto prefers a life of quiet solitude in a cave near the edge of the forest. Only the oldest remember the times before Seto, and they have nothing pleasant to say about it.
- Seto's name is derived from "Serotonin," a neurotransmitter.