Sakura would gladly go into all the details about it if asked, including the theory of the immortality treatments vs. the reality of it. She'd also probably say that any sane government should have told a 12 year old no, even if that 12 year old was a prodigy and on par with the top mages of the magical nation they were warring against.

"I've never seen it. It is possible it showed up somewhere on Aldore in the last 700 years, but I was stuck on Lapis. Is it natural, scientific, or magical in creation? It doesn't smell alchemical."