“Ah.” Master Rudeos passed his wristband in front of the solid wall and watched as it shimmered and disappeared, revealing another room beyond it. Rudeos was smiling at their surprise. “Yes, there are some routes through the school you don’t know yet.”
They stepped into a room that Callum remembered passing through when he’d thought they were lost, with long stalactites and steaming mud heating the air. He spun around, wondering if he’d be able to retrace his way to the door that Master Rudeos just showed them, but even if he could, he wasn’t sure his wristband would open it.
They ducked through another doorway and found themselves inside the Hall of Graduates. One of the archways seemed to be roiling with some substance, something membranous and alive. The carved words Prima Materia glo
