Kusatte Iru

From L5r: Legend of the Five Rings

The Kusatte Iru is possibly the largest and most powerful oni ever spawned by the Shadowlands. It was defeated in 634 by Kuni Harike and his yojimbo, Kuni Ryute, who placed the oni into a deep slumber. It was awakened by Iuchiban in 1165 and returned to its slumber by the Council of Five. (3E p. 14, [1])

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