真人王长，不知何所人也，从张正一真人学。真人往云锦山，散群弟子，惟王学天文，通黄老，留侍左右。长遂负书行歌，同真人往云锦山，日侍真人。服丹战鬼，稹行累功，后于渠亭山，真人一日指长曰：惟尔累世种善，宿有仙骨，可与成就矣。遂尽得真人九鼎之要，白日飞升。

Wang Chang was one of the major followers of Zhang Dao Ling, he is an astrologer and Taoist. He was a devoted follower and assisted his master in fighting against demons. Since Wang Chang had accumulated significant credits from his good deeds, he later rose to heaven and became a deity.