Clary Fairchild: What was it that Alec called you? Parasomething?

Jace Herondale: Parabatai. It means a pair of warriors who fight together who are closer than brothers. Alec is more than just my best friend. My father and his father were parabatai when they were young. His father was my godfather, that's why I live with them. They're my adopted family.