If you're looking to dive into the genre, these are highly-rated entry points:
: The "Core" is usually a personified entity that can think, plan, and feel, often having been reincarnated (Isekai) from another world. Dungeon Core
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 If you're looking to dive into the genre,
: Instead of questing, the core focuses on building rooms , setting traps, and spawning monsters to defend itself from "invaders" (adventurers). the core focuses on building rooms