Alien Beasts Are Overwhelming the Realm, How Can I Lose with a Wave of One Hundred Thousand Immortal Weapons?

Reborn in a world of high martial arts, faced with rampant alien beasts, Qinchuan holds the system of his family and country in one hand, modern technology in one hand, and the inheritance of immortal martial arts in the other. The tenth-level alien beast Black Kun King, right? Practice singing and dancing for me! Destroy the world and banish the immortal, right? Kneel down and be a dog for me! With the sword gate closed, Qin Chuan holds his sister in his left hand and holds a sword in his right hand, looking down at the world!