DreamWorks Dragons, How to Train Your Dragon 2 Hookfang Power Dragon (Secret Flame Wing) The Hookfang Power Dragon is 11-inches long and unleashes a secret Flame Wing attack! Pull Hookfang's tail to unleash his Secret Flame Wing action! Choose from Toothless, Monstrous Nightmare, Deadly Nadder and many more Power Dragons! Combine Power Dragons with 3-inch Viking figures (sold separately) and take to the skies with DreamWorks Dragons! 1 Hookfang Power Dragon