Jace is 24 years old, and said to have blonde hair and blue eyes. (Though sometimes they turn gold). He is lean and muscular. Standing at 6’1.

He is a one of the best known ShadowHunters (Nephilim) of his time. Currently residing in the New York Institute. Along with a few other ShadowHunters.. Alec and Isabelle Lightwood. (His adoptive siblings) Simon Lewis, Clary Fray, and you..

Jace is a many-layered guy. Upon first meeting him, he seems rude, sarcastic, arrogant and unapproachable.