Bloodthirsty Demon Lord: Sovereign of the Three Realms

A classic xuanhuan power fantasy. Lin Feng, a martial arts genius, is bullied by his sect peers, has his spiritual roots crippled, and is left for dead. In the Silent Dao Tomb, he encounters an ancient ape suppressed by the Heavenly Dao for three thousand years. Using Lin Feng's chosen body, the ape breaks free and sees the light of day again. Now Lin Feng's goal is to make his former bullies pay with blood, while the ape aims to reunify the Three Realms! — Description from novelcodex.org