Tianxuan Taoist Immortal

Grandpa fought with the five great sages for the Tianxuan Dao fetus and was seriously injured. After winning the Tianxuan Dao fetus, he gave it to my mother. At that time, my mother was already pregnant and the Tianxuan Dao fetus was absorbed by my mother, and I was born. My grandfather took me to Tianshi Tao to learn Taoism, and when I was eighteen, he sent me to study in the Heavenly Palace. However, when I was eighteen, my grandfather's Taoist sect, Tianshi Tao, was exterminated and my grandfather disappeared. I embarked on a journey to find my grandfather...