From what Billy had heard, the scorpions could be found from the first up to the third floor. There was another species in the fourth to sixth and another one on the seventh upward. Considering the pattern, everyone assumed that on the tenth floor, they would find a new species, but that wasn't their concern for the time being since no one even reached the ninth floor. Billy decided to think that the dungeon was divided into zones, the core was without a doubt, a sapient creature and it could do that kind of thing to make things better for itself... why such a creature could do that, he had no idea.
"While this is a good chance to get stronger, I suppose taking my time might be dangerous," Billy thought. "I will have to start drawing the map of that dungeon…"