Fire Narwhal-Hydrergons are angry, hostile and demanding by nature. When they reach their teenage years, they usually kill their parents and claims the territory for themselves (adolescent Fire Narwhal-Hydrergons are as big as a Siege Hydreg). When they reach adulthood, they're 1.5x bigger than the average Siege Hydreg. Then, they look for a mate. They can mate both with Siege Hydregs and Fire Narwhal-Dragons, as well as with common Hydregs...