Is It Reasonable for Me, the Immortal Emperor, to Have Some Medical Skills When I Return?

In his previous life, he was framed by someone and traveled to the immortal world to kill and practice the Supreme Being of the Immortal Realm. This time, after rebirth, I only wish to protect my family, protect my country, and avenge my grievances! Qin Fan couldn't help but sneer when he saw his ex-girlfriend who ruined his family and the divorce letter he received from his best friend right after he was released from prison. In this life, he will make the whole world tremble!