[Merlin shielded his eyes with his sleeve - that was unexpectedly fast - and whistled. When he showed his face again after the light faded, there was a wide grin on his face.]

Oho.

Why would I spoil the surprise for myself? And for your information, I can't actually use those characters. They aren't actually part of my legend or birthright, even if I know what they look like.

Are you, by any chance, descended from a practitioner of the Eastern magic arts? That was a pretty strong reaction for someone uninitiated.