Hm. So Lingormr had a foot in that field, as well. It wasn't surprising, since magic and chemistry crossed paths at many points. "There may still be samples of the experimental drug in the Medical Wing, too." She sighed then, not able to keep any sort of optimistic front. "Of course, with limited time and tools, our capacity for studying it and developing a cure is..." Basically nil.

They'd spent a lot of time on this topic, but there was something else Rita needed to touch on before they ran out of time. She always kept her word, after all.

"... Anyway, I told you I'd give you this," she said, abruptly changing the subject. Her utensils were set down for a moment, and Rita opened her notebook, tore out a page containing a detailed formula, and slid it across the table. "That's my spirit conversion formula. I included some definitions as footnotes, but you can ask me to clarify anything now, if you like." Since many parts of the formula were specific to Terca Lumireis, Rita didn't expect it to be fully understandable to an outsider.

When broken down, the formula described the process of converting aer into mana, using apatheia as a core in which the conversion took place. The variable representing Estelle, who had been vital in directing the flow of aer, was defined vaguely as 'a being or object that may directly influence aer'.