Preceptor Ryke is a psionics teacher at the Ghost Academy.

He has a class for psionic blocking techniques for students with a PI of seven and above, and another for students of PI six and below.[1]


  1. DeCandido, Keith R. A. (w), Fernando Heinz Furukawa (p, i). StarCraft: Ghost Academy: Volume 1 (paperback binding). Tokyopop, January 1, 2010. ISBN 978-1427-81612-2.