The Vampire Prince (Cirque Du Freak #6) (2002)

Branded a traitor, betrayed by a friend, hunted by the vampire clan -- Darren Shan, the Vampire's Assistant, faces certain death. Can Darren reverse the odds and outwit a Vampire Prince, or is this the end of thousands of years of vampire rule? Darren's initiation on Vampire Mountain draws to a stunning, bloody conclusion -- but the Saga continues...