Let You Revive Your Spiritual Energy and Create an Eternal Prehistoric World?

It was fun all the way to the end, not a word of nonsense. Jiang Chen traveled through time. The system told him that in three years, the door to the outer world will open, monsters will invade, and humanity will become extinct. If you want to stop it, you must manually revive the spiritual energy! So, Jiang Chen took action. Magic City: He awakened the Millennium Corpse King, and humans began to practice corpse refining. Guangdong City: He inspired the ten thousand year sword spirit, and the sword cultivator was born. Gyeongju: The ancient demon from the abyss shattered the sky with one foot, and the martial spirit was born! Three years later, the door to the outside world opened, and monsters arrived as promised. When a group of cultivators who were more terrifying than monsters appeared in front of them, the monsters were stunned... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.