Heichi Ozashin was a bushi of the Boar Clan. He and his two older brothers Heichi Goshoryu and Heichi Dammaku were part of a scouting party led by Heichi Jomei, that discovered a remote valley in the Twilight Mountains which was called the Lair. Ozashin was the most cautious and wary, and his skills saved them from attack by Shadowlands creatures.