[Syrlya clasps his hands behind his back. Innocently. He waits for Strange to get to the beginning of the course to continue.]

I cannot move the earth or wind like you... but I am sure I can still provide some sort of extra challenge. For the sake of your training, of course.

[He bends down and picks up... a rock. Just a palm sized piece of stone and juggles it in his off hand.

The wonderful thing about a focus is it doesn't need to be able specific shape for him to channel those specific spells through it. It just needs to be in hand.]