"Enma is served by all manner of demons and Oni, the most fearsome of which are Gozu and Mezu, gigantic and terrible Oni with the heads of an ox and horse, who act both as guardians of Hell and as enforcers of Enma who shall pursue any who manage to escape Hell and bring them back for proper punishment and trials."
Yamato has no choice but to became Zoro's servant.
Yamato has no choice but to became Zoro's servant.