Normally, there was a limit to how much a dungeon could hold. A dungeon that hadn’t had any visitor for a long time would naturally see its population of monsters multiply manifolds due to procreation and the dungeon itself spawning new monsters. Once the number of monsters reached its limit, though, their procreation and spawning would slow down or stop altogether.

[Kuwaaaaaahk!]

"Tch, there's no end to them... Heup!"

[Critical Hit!]

However, the Royal Mage Leader had tied several dungeons together and increased the scope of the facility with magic, and it ended up exceeding the limitation placed on monster population.

Of course, he probably didn't intend for the dungeon to spawn an infinite amount of monsters. After all, the facility was created to train Royal Mages. No mages had sought out the facility, however, and even the Royal Mage Leader himself hadn’t paid another visit since its creation. Over the years, the facility turned into something like an infinite monster spawner.

There were supposed to be 666 monsters in the nineteenth training facility, yet there turned out to be at least 60,000.

"Hoooo... Huaaaap!"

[Critical...