"Perhaps. Even toxic waste takes a bit of time. It's not like in the movies where you get hit with it and suddenly you're all mutated. It might not show any signs until it spawns." Sibyl again paused to drink a little more of her own pumpkin juice before going on.

"If it's magical, then there is someone to blame, yes. There aren't just patches of wild magic that a creature can bump into. It might have been on purpose by someone, or caused the backlash of a failed spell or something. The other option," she paused for another moment to chew it over. As if speaking it made it a solid theory. "Well, is cross breeding. That the creatures are a combination of two other kinds of creatures."