While I originally thought The unknown ghost was oda nobunage it turns out he is Taira no masakado a powerful samurai warlord and one of japans 3 most infamous vengeful ghosts
That's my first though as well
Oooh thanks for this info
While I originally thought The unknown ghost was oda nobunage it turns out he is Taira no masakado a powerful samurai warlord and one of japans 3 most infamous vengeful ghosts