I don't think she doesn't believe she can die. I think, just like you always did, she believes there are things worth dying for.
Cassandra ClareYou swore to stay with me,โ he said. โWhen we made our oath, as parabatai. Our souls are knit. We are one person, James.โ โWe are two people,โ said Jem. โTwo people with a covenant between us.โ Will knew he sounded like a child, but he could not help it. โA covenant that says you must not go where I cannot come with you.โ โUntil death,โ Jem replied gently. โThose are the words of the oath. โUntil aught but death part thee and me.โ Someday, Will, I will go where none can follow me, and I think it will be sooner rather than later.
Cassandra Clare