In a world where fantasy races, magic, and sentient dungeons are the norm there is one dungeon known for being so abnormal even the most powerful adventurers hesitate to enter. so to quench its need for entertainment the dungeon pulls humans from earth to fight waves of monsters. Will Grant find a way to escape or will he come to love the new environment? what to expect  guns  base building  ever changing dungeon hoarder MC No romance / harem system hordes of monsters all opinions are welcome and i will try to use them to better the story