What is the relationship between Emperor Zun of Wuxian and Ye Chen?

The immortal Emperor Wu was Ye Chen.

Wuxian Emperor Zun: Ye Chen was the first reincarnation, the emperor of the peak, and died on Taigu Road with a monty emperor. After the reincarnation was reversed, he sacrificed himself to help Ye Chen become emperor. Ye Chen was resurrected and endowed with eternity, which helped him reach the peak of quasi-famine and the most perfect and advanced famine emperor. After Ye Chen faded out of heaven and became too desolate, he joined hands with the ancient celestial female emperor, the deity, the barren emperor and the mothering to form heaven.