He took something out of his jacket and handed it to her. It was a long thin dagger in a leather sheath. The hilt of the dagger was set with a single red stone carved in the shape of a rose. She shook her head. "I wouldn't even know how to use that--" He pressed it into her hand, curling her fingers around it. "You'd learn." He dropped his voice. "It's in your blood." She drew her hand back slowly. "All right." "I could give you a thigh sheath to put that in," Isabelle offered. "I've got tons." "CERTAINLY NOT," said Simon.
Cassandra ClareWill closed his eyes. He could not hear Jem go, not anymore; he did not want to know the moment when he left and Will was alone, did now want to know when his first day as a Shawdowhunter without a parabatai truly began. And if the place over his heart, where his parabatai rune had been, flared up with a sudden burning pain as the door closed behind Jem, Will told himself it was only a stray ember from the fire.
Cassandra Clare