Yozo

Once, a shugenja named Yozo retired to a monastery and took the name Musaboru. Musaboru summoned an oni and gave it his name, but regretted his decision and destroyed the oni. But when Fu Leng assaulted the Celestial Heavens, Musaboru no Oni was one of the oni with him. Musaboru no Oni devoured the essences of several Fortunes and gained great power. Meanwhile, Yozo had died and was reborn as the Fortune of Vengeance. The two beings shared the same soul and attempted to live in harmony, but their opposing personalities would not allow them any peace.

When Yozo and Musaboru were both destroyed, Hitaken regained his sanity and a deal of power from both Yozo and Musaboru, becoming the Heir of Vengeance.