[ He is proud of himself at managing that reaction out of Fane. So, so stupidly proud, he definitely can't hide his grin. this nerd always trying to impress people ]

Oh, it definitely was useful. Um, this is just the formula for the regular potion, but I've found that it isn't affected by putting it in a less... obvious format. Personally, my specialty is more in chemical compounds or creating new elements, as well as building machines, but I try to hit a little of everything.