My Disciples are All Invincible Monsters

A brief description of the manhua My Disciples are All Invincible Monsters:

Man and effectively arouses an unbeatable system. To his dismay, though, the system dumps him into a monster-ravaged Earth and demands that he wait 500 years for it to activate. When he is about to give up, a monkey demon materializes in front of him and asks to be his pupil! Chu Xuan Yan chooses to use this monkey, teaching it the horrific abilities of the Hell Whale and the self-determination magical arts, making sure the monkey is fearless, in order to safely survive the 500-year wait for the system to activate. Years later, this primate develops into