Why are Dungeons in the Apocalypse?

Schedule 1 chapter/ Day around 2 pm Erin slowly looked up in front of him and saw a floating blue hologram appear in front of his eyes. | Mana levels has reached minimum requirement population levels have reached minimum requirement Percentage of discovered land on planet 1975 : 100% Evolution requirements have been met | | Would you like to enter the new world? Yes/No | In his sleepy state, Erin did not think much about it and pointed to the yes. | Congratulations Erin Silvers. You have entered the new world. Please wait for future instructions | That’s when Erin realized that the world had changed. *Art not mine