"A mana-superposition-based illusion, you say..." Leo muttered, more to voice this thought out and thus better engrave it into his mind rather than confirm he heard properly heard it.
"That's right," Agatha nodded her head to confirm. "Basically, there's a huge chance that there is..." she hesitated for a second, as if just spelling the truth out would make it more dire, "there is our original world, somewhere, outside of this... realm?"
Leo didn't blame the researcher for sounding uncertain. This, judging just by the look on her face, was clearly beyond her area of expertise.
"Then, this place is...?" Leo asked, trying to guide the woman back to the main topic before she would delve too deep into her own doubts and questions.