Urban Dungeon: This world is in danger

Story of: Urban Dungeon: This world is in dangerOne year: Strange black clouds obscured the sun, forming areas of eternal night on the earth. The living space of human beings continued to decrease, and the world was in danger.This year: King Quan gets a black card: enter the other world and become a Marker.Markers can enter the dungeon, complete events, obtain ratings, obtain permissions, and clear the black cloud.While other imprinters were still struggling for a D-level authority to clear up ten miles of black clouds, Wang Quan casually threw out an S-level authority: to clear up hundreds of miles of black clouds.One year: Tens of thousands of imprinters knelt down and said, "My king, please save this world in danger!"