Back to Ruochen Zhang. Bailongjia is a treasure in the novel "An Emperor through the ages" handed down by the Zhang family in Kunlun. Ruochen Zhang once used it, was stolen by others, and then accidentally returned to Ruochen Zhang. The Eternal Emperor is an oriental fantasy novel serialized on Genesis Chinese website and starting point. The writer is Tian Fei Fish. The novel mainly tells the story that Ruochen Zhang, the son of Ming Di, was reborn after being killed by his fiancee Yao Chi for 800 years, fighting against robbery and saving the universe.