Read First Part! Understand what you are getting into. Fantasy Novel - Isekai / Litrpg / Average to Strong MC / System / Levels / Dungeon Diving Temper Expectations - First Dungeon Diving Novel / Lots of Proof of concepts Jin-woo woke up strapped to a bed like a mini Hannibal Lecter. It wasn’t even his body. Now he was stuck inside an abandoned hospital, twenty five stories tall, without a single other building within sight of the massive forest. His only source of companionship were the denizens of an F- ranked dungeon. Except said denizens were four feet tall at the shoulders, massive claws for legs, fangs the size of daggers, and a proclivity for extreme violence at first sight. And also rats. Surgically enhanced rats! He couldn’t blame anyone, it was his fault he was here. Attempting to mentally connect to the strongest self-reasoning, self-aware Ai to ever exist might not have been the wisest decision, but he couldn’t let Demina turn into a genocidal monstrosity. He had to do something! Right? [Congratulations!] [Battle Concluded!] [Experience Gained - 5xp] [Experience required to reach the next level - 2000!] Did Jin-woo mention it was nearly impossible to level up? Fighting four foot tall giant rats by the boat-load should be worth more than 5xp! What to expect - Daily chapters until I hit 45k words.       - Then M/W/F Schedule. - Litrpg Numbers (Light). - Dungeon Diving (Think Daggerfall, Massive)! - Character Interaction and Party Building.