S'reee's senses were already on edge as she could feel the sealed Lone Power near here; but there was something else. Not distinct enough for her to identify it exactly, but enough to know it was not the presence of the Lone Power.

She swam forward, towards the new... was that a shark? and sang out in the Speech, "What brings you here?"

She had noticed the Master Shark hadn't reacted, which told her that whatever was present was only looking like a shark... and that it might be unseen to non-wizards.