Ratio listens as Gilgamesh talks, taking notes in his shorthand as he continued. He'd expand on it when he had more time... and there wasn't a person giving him information. After, he tapped his chin with his pen.

"Bios, and your Mana, sound akin to a material at home called Memoria. Different but still similar. We don't rely on it, but there are reactions for those who come into contact with it."

He pauses, looking at Gilgamesh.

"Would you be willing to tell me more of this mana from your world?" He should get more info as they're being cordial.