The youth will definitely vary- though it'll probably typically sit around the lower numbers.

That aside. "Mnh? Granny's Granny!" Alas, she got no real name! "And that's not what I'm for! So I can't do those things!" she laughs, having heard plenty of it from when other mages protested with her grandmother. "Umnh...I guess though...I just take it all from the air, and that's where it stays until I use it."

A pause, for some very deliberate effect.

"Forever." Incredible. "Oh, I used a lot by running once though, so that I could summon Lancer!! I don't think it normally works that way though..."