Dungeon Sim

It was a normal day until suddenly a group of robbers killed you and took your things and you we reborn into this magical world of monsters and magic. In this world there are dungeons, structures around the world that have difficulties depending on how strong large and old the dungeon is. Each dungeon has a dungeon core. Cores can be objects or creature with their souls bound to the dungeon, and if the core dies the dungeon dies. You were reborn into a F rank dungeon as a core and there’s only the doors to enter and a small stone chamber you live in and you’re a random monster and is younger than 14. Over time you can level up your body and dungeon maybe one day making the strongest dungeon with your future minions. And some cores have the ability to turn adventures mostly humans into monsters that serve them good luck and pick your race looks and abilities and you have a skill tree for the dungeon and your body getting a point with each level to put into your body and dungeon. You start level 1 and your heart is a bright orb aka the dungeon core it can change color depending on your form and power)