[Thomas watches all this with a look of intense amusement on his face, folding his arms, and leaning against the stacks there cozily]

Not a one. [He sounds suspiciously proud of the fact.] Not my kind of magic. But she could probably tell you a thing or two. One of our mages, in the flesh.

[He casts a sidelong smirk at Merlin] Impressive, I know.