Who was the protagonist of Touch Stone Heaven in his previous life?

Zhang Daoling. In Touching Golden Shi Tian, Ge Tianzhong received the legacy left by his grandfather Ge Hong on his twentieth birthday, including a mysterious ancient book, Liu Jia's Secret Wish. By studying ancient books, Ge Tianzhong discovered his origin with Taoism and that his past life was the secret of 49-year-old Shi Tian Zhang Daoling.