Fantasy: I Traveled Through Time with an Arsenal of Weapons

Ning Yuan, a useless college student, travels to another world with an arsenal of modern weapons. Rocket launchers shoot pangolins, Barrett snipers giant monsters, and powerful descendants play roulette, and AK47 fights heroes. Ning Yuan walks with a gun in this world where magic and magical powers are endless. Are you the proud one of heaven? I have a gun! Are you a descendant of Mighty Power? I have a gun! Are you an invincible demon? I have a gun! Ning Yuan: Just pretend to be 13 with me, and you'll be done with it if I fail or not.