Among the great figures of Xingyi Quan, few names stand out as prominently as Guo Yunshen (1822–1898), famed for his devastating half-step Beng Quan. His legacy is surrounded by legends, stories, and in some cases—controversies. One of the most enduring debates in recent decades centers on a supposed photograph of Guo Yunshen together with fellow master Che Yizhai and their disciples.