Prehistoric: Start as an Underworld Soldier

When he woke up, he found that he had become a soldier in the underworld, and he happened to see Sun Wukong causing trouble in the underworld, and he had to act to save lives. Fortunately, the system is open and I can use it to help. Fight against Buddhism and fight against Bodhisattvas. Fight the way of heaven and kill heaven and earth. Fight against the witch clan and become the Great Emperor of Fengdu. Use the earth's way to attack the heaven's way, who else can I do? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.