You Promised to Invade from Another World and You Will Devour the Talents of All Races?

[High martial arts + cool writing + genius flow + decisive killing] Alien invasion, thousands of caves connecting countless different worlds, each alien race has its own special talents. Feng Zi, a high school student, awakens the talent refining panel and can refine his talents by killing aliens. …… Some years later. "Huh? This alien demigod is surrounded by thunder. He must have the talent of thunder. Kill him, and my [Thunder Control] will evolve again." High above the sky. Feng Zi's whole body is like a cast of gold, with fire under his feet and thunder in his hand. With the talents of all races added to his body, he can suppress the front line by himself! Alien demigod: "No, we agreed to invade from another world. Where did this come from? Is this still Earth?"