My Backyard Leads to the End of the World!

In my backyard, there is a mysterious time and space converter leading to the doomsday world. Others cannot see or touch it! But I can rely on it to travel freely between the two worlds. "Oops, the zombies want to cross the line? Apocalypse Fortress will teach you how to behave!" "Hey, where did this machine come from! Take a shot from my Destroyer!" "I don't care who flies in the sky! Whoever runs on the ground, as long as they are enemies!" "You'll all turn into gray under my hands!" A certain girl: "Wow! Brother Qian, you are so awesome!" A certain goddess: "I won't admit it. It was the poor guy who saved me!" The end of the world! Suffered ruthless destruction from Wu Qian! Zombies! Monster! Cyborg! All this will be controlled by me! The introduction is weak! Please read the text! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.