Wanyudo

The wanyudo was a demon created from the corrupted soul of a tyrant. It resembles a flaming cart wheel, with a head where the wheel's axle would be.

In 1170, while the Celestial Tournament was taking place, a group of renegade maho-tsukai and followers of the shokansuru conducted a ritual to summon an army of lesser oni, including wanyudos. A group of Lion Clan bushi arrived at the scene as the ritual was being performed, and managed to stop the group's plan.