Da Qin: Technology Tree, Start with Full Star Destroyer Cannon

Ying Yu traveled through the Great Qin Awakening technology tree system, but he wanted to be a fisherman but instead created a sci-fi heaven! When the Star Destroyer Cannon and Genetic Mecha were exposed on the Golden List, Wanchao Continent collectively broke through the defenses - Liu Bang cried out to be an ant, Li Shimin scolded the dimensionality reduction attack, and Ying Zheng looked up at the stars: "This traitor has turned Heaven into an interstellar fortress?!"