Parabatai

Parabatai is a symbolic relationship that links two people together for life, with each pledging to support and protect the other. Julian and Emma share a parabatai relationship, and they depend on that relationship to help cope with their emotional issues as well as their physically dangerous and demanding lives.

Cortana

Cortana is the name of Emma's sword, and symbolizes her job as a Shadowhunter and her family history. Cortana belonged to her father and grandfather, and she says she and Cortana are all that remains of her family. All blades are more powerful once they are named.

The Wall of Crazy

This symbolizes Emma's ongoing quest for justice for her parents' murders. The “wall” is a closet wall of Emma's room and is where she displays every clue she has collected that she believes is related to the murders. Christina calls this the Wall of...