It is a potential idea Bibliophilia.   ;)  If she trusts him eventually, she'd probably be willing to craft the alchemical cartridges, though I doubt she'd be doing so early on due to her own hang-ups.<br/><br/>She could eventually VonDoom. :-)<br/><br/>May I suggest Fire Ward Gel and Dragon's Breath rounds for your demonstration?  Sold together for the low low price of only 200gp!