Magisterium in Luray, Virginia
He was one of the nine mages present at Call's Iron Trial and even supervised two of the tests for Call's group. He was also an instructor of one of the Iron Year's classes. At one point, he was seen returning from the Mission Gate, looking injured, along with several students also in bad states, from a mission that had gone poorly. He ordered Call and his friends to leave the area.
Years later, in a battle against his former apprentice-turned-Devoured Alex Strike, Rockmaple tried to rescue two Iron Years that Alex was holding captive. Alex released his power and Rockmaple was dragged into the void.