Going Back Half a Million Years, the Immortal Emperor Returns as an Elder

Master and Disciple + Shuangwen + Invincible + No System Ascension to the upper realm... Gu Yan spent more than 500,000 years to become a strong man in the Immortal Realm of the Supreme Immortal Realm. After going round and round, he could never forget the woman who had lost her life for him in the lower realm. With the blessing of the Forbidden Formation in the Immortal Realm, he returned to 500,000 years ago, just to make up for her... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.