Another World, I Start As a Dungeon

[No female lead] + [System] + [Non-human] + [Management] + [Western Fantasy] Having transmigrated to another world, Li Dalun became an underground city on the border? Countless invaders, coveting the treasures of the underground city, flocked to this borderland dungeon. The dungeons are too weak? Terrifying monsters are constantly being created. The dungeon is too small? New tiers are constantly being created. The dungeon has only one purpose: to stop all invaders. And use the invaders as nourishment for the dungeon. The adventurers who stepped into this dungeon at this moment were unaware A legendary underground city, brimming with countless treasures and fraught with peril, is being born beneath their feet. But today the adventurers are very confident. Let's team up and fight the boss. This time, we'll definitely succeed!