Dungeon Core 🆒

: The "Core" is usually a personified entity that can think, plan, and feel, often having been reincarnated (Isekai) from another world.

If you're looking to dive into the genre, these are highly-rated entry points: Dungeon Core

: Dungeons typically grow by harvesting energy (often called "Mana" or "Essence") from the people or creatures that die within them. : The "Core" is usually a personified entity

The genre is a popular subgenre of LitRPG and Progression Fantasy where the story is told from the perspective of a sentient or semi-sentient entity—often a trapped soul in a gem —that manages and expands a dungeon. Core Narrative Mechanics Dungeon Core