The Eldest Son of Da Qin: the Sign-In System Made Me Rebel

When Yinghu used the electromagnetic cannon as a sign-in reward to open Hangu Pass, the entire six countries were still praising his "benevolence" in destroying Korea. He issued bulletproof vests to Meng Tian's troops, modified Tangmen's heavy rain pear blossom needles into Gatling, and even used white sugar + black powder to create tactical nuclear bombs. Eight years later, Fusu looked at the Lishan Mausoleum that had been transformed into an interstellar fortress and cried bitterly: "Brother, why are you still charging for the wormhole teleportation point you installed on the Great Wall?" When Xu Fu was holding a cloning technical manual and begging for cooperation, Ying Gree was using the Sky Eye system to scan the prehistoric world: "Listen up, everyone - the ultimate version of the "Great Qin World Demolition Regulations" you want is here!"