Rumblehorn | How to Train Your Dragon Wiki | Fandom
10.07.2014· Rumblehorns shoot long-ranged fire missiles which explode on impact. They can find anything on scent for miles away, even with just a weak scent from a helmet.Fishlegs The Rumblehorn is a medium-sized Tracker Class dragon that first appeared in How to Train Your Dragon 2. 1 Official Description 2 Development 3 Physical Appearance 3.1 Egg 3.2 Hatchling to Adult 3.3 Titan Wing 4