Daizo is a Japanese monk who travels with Khotun Khan as a translator and writes down their talks. His records are collectibles that show the Khan's thinking on politics, history, tactics and philosophy.
You never meet Daizo, but you find his records across the island as you play. They track his shift from neutral scholar to devoted follower.
Written after the Khan's death, it mourns the future he imagined as Khotun's adviser in a conquered Japan. He takes his own life after writing it.
Baku the Voiceless
Baku the Voiceless is a silent vendor who appears only in New Game+. You find him on the small island at the centre of Lake Izuhara, in Ariake. He sells armour, dyes, charms, hats and masks for Ghost Flowers.
Bataar
Bataar is the Mongol general behind the attack on Komatsu Forge. Jin and Yuna fight him while defending the forge in Hammer and Forge.
Bettomaru
Bettomaru is the master of the Way of the Flame who lives in a dojo at the top of Mount Jogaku. You climb through a snowstorm to duel him in the Mythic Tale The Undying Flame, and he teaches Jin the technique during the fight.
Black Dye Merchant
The Black Dye Merchant is a hidden vendor in a cave east of Kawamata Village in Kushi, Toyotama. He sells deep black armour dyes and cosmetics for Flowers.