It originated from Chinese folk beliefs and myths and usually generally refers to eight members of the godly realm. The general understanding of Ba Jia Jiang's origin is derived from the existence of eight generals who performed an exorcism of evil spirits for the Wufu Emperor.
Ba Jia Jiang is responsible for capturing ghosts and evil spirits, bringing safety and good luck, and providing protection. They contain a solid religious nature, and Din Tao (Taiwanese troupes) often seem mysterious, threatening, and severe.