Master of the Sōkaken style. Father of the Hong Hua Hui boss, Zhāng Liè-Shān. He later married Zhāng Tài-Yán's mother and had been led to believe Tài-Yán was his child when he was actually the son of her previous husband. Years later Dà-Yán was enraged to learn the truth and his wife killed herself on the condition Dà-Yán spare Zhāng Tài-Yán's life. Noticing the young Tài-Yán's talent, he adopted him and trained him in Sōkaken. Eventually Dà-Yán passed on the title of Sōkaken Master to Tài-Yán after Tài-Yán defeated him. However, Dà-Yán then died as a result of injuries from the fight.
