Not everyone can see Emperor Ying Yuan, and Yu Mo has just become an adult. Besides, when Yu Mo's black soil was in the sky, he couldn't become a human in the daytime at first, so he never met Ying Yuan or the wick.
Yu Mo, a relic of ancient times, was named Yu Mo after Yan Dan accidentally helped him transform into a human being in the celestial world. Since then, Yan Dan has deeply penetrated into his bone marrow.