"I do not know," Inric admits. "You could try. I... think it would be difficult. But there is plenty of scope in limniform magic."
"I know, but..." she looks away. "It's not working any more."
"Your only successful spell was the fire?"
"Yes. I don't want to do that again." She looks away, rubbing the bandage on her left wrist. The motion catches Inric's eye, and sparks a train of thought.
"You hurt your hand," he says. "Was that before or after the fire?"
"Just before. I tried to open the lock with a knife but it slipped."
"Could you tell me exactly what you did for the fire spell?"
She looks surprised, but complies. "I copied Jory's patterns onto the door with the ragwort juice. It didn't work, so I got annoyed and, um, I hit the door. That made it work..."