[ Kojirou would, as always, rather not deal with the other side of Jekyll's nature, but he can't control what the other Servant does. If he needs to fight in a violent way, then so be it. ]

You'll have to dig around for it. It might take a long time to find the one Reverse Scale, but perhaps that might be necessary. It's supposed to be the most magical, but all of a dragon's scales should be equally useful for ordinary use.

[ Is there an ordinary use for dragon's scales? Sure. It's light but incredibly hard, somebody has to be able to make something out of them. ]

If nothing else, we can take the largest fangs instead.