The Only Method of Falling from the Sky

In the first year of the new calendar, space exploded, and snow-like alien space poured down. Skeletons burn their souls, monsters trample the city, zombies gnaw at the old civilization, Zerg build their nests with blood, and omnics restart the era with cold eyes - the fantasy wall is broken, and the world is in disaster. The blue planet is under fire, just to defend the last inch of its homeland. Years later, the Great Steel Wall stretches across the wasteland, but continues to retreat. At this time, the giant towers descending, bringing deeper terror and spreading extraordinary fire, allowing everyone to awaken. And Lin Yu, a college student who was about to graduate, was accidentally involved in the tower and took the lead in changing his profession to a mage. Is it the chess piece or the chess player? Can he cut through the long night with his staff and lead the dying civilization out of the end? —————— In a certain strange space, Lin Yu looked at the mushroom cloud rising in front of him, nodded with satisfaction, and muttered something incomprehensible, such as runes, structure, and the power was still not enough. In the Extraordinary Union founded by Lin Yu, the person in charge was busy dealing with official duties. Looking at the new batch of documents related to Lin Yu handed over by the secretary, he couldn't help but feel heartbroken and shouted angrily. "Master Lin, please slow down, we can't handle it!" A new book for newcomers, with stable updates and a complete outline. Readers, please feel free to read it.