In 1329 Egan attained enlightenment through Koan (zen question for meditation) owing to Seki questioned by a Zen monk, Unmon Bunen, which was confirmed by Shuho, and Egen was given the title, Kanzan, and changed his name to Egen.
やがて1329年に雲門文偃の関字の公案で開悟し、宗峰がこれを証明して関山の号が与えられ、慧玄と改名した。