Yuanshi Tianzun
From the novel of "Fengshen Yanyi", Guang Chengzi is the student of Yuanshi Tianzun, who is the co-founder of Branch "Chan" of Taoism. Guangchengzi ranked the first of the Twelve Golden Xian (十二金仙) along with Yuanshi Tianzun's other eleven students: Chi Jingzi, Yuding Zhenren, Taiyi Zhenren, Huanglong Zhenren, Wenshu Guangfa Tianzun (also known as Manjusri), Puxian Zhenren (also known as Samantabhadra), Cihang Zhenren (also known as Guanyin), Lingbao Dafashi, Ju Liusun (also known as Kakusandha Buddha), Daoxing Tianzun, and Qingxu Daode Tianzun. The twelve Xians and their students worked together with Jiang Ziya to support King Wu of Zhou conquer King Zhou of Shang (who got the support of the Branch "Jie").