[Watching the magic of science happy, Crown walks over to the rapier and picks it up. Drawing it out from what could be assumed to be a sheath he gives it a swing.]

Yes, this is perfect. Balanced just right, light enough for quick movement but strong enough to withstand the heaviest of blows. Thank you, Alphonse. I am in your debt. You have one favour from me, and I will do my best to complete it.