Invasion of All Races? I, the Inheritor of the Great Sage, Have Returned

"I, Chu Chen, the successor of the Great Sage Qitian and the successor of the Wine Sword Immortal, apply to return to the Ancestral Star!" In a parallel world, Chu Chen has been fighting in a different world for decades. He receives a system message that the spiritual energy of heaven and earth is revived, the ancestral star is about to awaken, thousands of races are invading, and Daxia is facing a major crisis. After learning the news, he decisively sent it back to his ancestral star to save Daxia. "Every Daxia human race can receive a dragon blood potion..." "The Scientific Research Office is fully committed to analyzing elemental crystals and developing magical weapons and magical super mechas..." … (The introduction is weak, for more exciting content, please move to the main text!)