I cultivated to become a god in the city

Mu Chenfeng, a once-in-a-million-years genius from the Immortal Realm, achieved the Immortal Emperor stage in less than a thousand years. However, he was ambushed by three great Immortal Emperors. A strand of his core spirit escaped and transcended into the body of an illegitimate son from a fallen family. From then on, the illegitimate son, once scorned by everyone, becomes a martial arts powerhouse feared by all.