From the preview:
Kawa no Rojin stampedes his way across the battlefield trampling any that get in his way. Considered to be a lucky animal by the Monks of the Ro-Kan, his presence drives them on to courageous acts of valour.
Ryoko-Sha is a samurai with distinct and unique skills. His understanding of strategy and tactics has allowed him to channel Ki to control the ebb and flow of battle. He is of utmost importance to the Takashi family, his Temporal Barriers are relied upon to keep family members safe.