Alec Lightwood: I felt Jace die. He says he has no idea why, but he's lying.

Clary Fairchild: Maybe you felt him being impaled. It was a pretty serious...

Alec Lightwood: My parabatai rune disappeared. How do you explain that?

Clary Fairchild: I don't know.

Alec Lightwood: Jace is alive. That's all that matters.