Invade the World with a Lottery System

"What? You want to duel with me?" "Yes, what kind of strange sword are you holding?" "Introduction, this sword is called ak-47." "A mere mortal dares to challenge the Demon King! Huh? What kind of weapon are you holding?" "Let me introduce, this one is called Gatling, and this one is called individual rocket launcher, or RPG for short." "The king is in trouble! The Zerg army has invaded!" "Go and invite Wang Xiaoqi!" "What a big deal, let me introduce you. This one is called a nuclear bomb, and this one is called a hydrogen bomb. If you buy them both together, you will get a 20% discount." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.