[Wow, pure. Arthur wishes he could tell him all about it, but unfortunately, he has to keep most of the details to himself. There are a few things he can probably safely say, though, so he explains:]

Actually, it's a bit of both. My sword is indeed enchanted, but what you see now is a special ability of my own. How I got it... It's complicated, but it's an ability I gained after my death.

[Hey, hold on a second—]

But I see. It must be difficult, but finding a way to make it work is quite commendable.