[ In the same way that Irisviel finds it hard to take in, Henry finds it hard to explain. Even if he did study a little alchemy in life, he was by no means a master - only given the same amount of knowledge as was imparted to every Servant upon summoning.

But he knows one thing, even if he knows that saying it would only make Edward spite her for being so. ]

I know not of the particular circumstance of that summoning. However, what I do know is that you were a friend. I believe we can still work together.