Clary Fray (Lily Collins) and her Shadowhunter compatriots Jace Wayland (Jamie Campbell Bower), Alec Lightwood (Kevin Zegers), Isabelle Lightwood (Jemima West) and Simon Lewis (Robert Sheehan) are featured in the final poster for The Mortal Instruments: City of Bones. Based on the best-selling novel series by Cassandra Clare, the story follows Clary as she hunts down demons in an alternate version of New York City known as Downworld. You have been chosen to check out this last one-sheet before director Harald Zwart's young adult fantasy adaptation hits theaters August 21.