Master Corwin Hale — "C.H." on the note, and to Vaelira, always "Sparks," a nickname from her first successful casting that she pretends to hate.
A senior Wizard at The Polaris Academy on Miroval, and Vaelira's mentor there for years. The note that pulled her out of her study carried his seal: "Sparks. I've found it. Come now. Come alone. — C.H." Nothing has reached him since. What he found, and what's become of him, is still unknown.