Dragons are creatures with nearly unlimited life spans. They can survive for long periods of time, and no one has found a dragon that has died of old age. Adolescence is usually marked by the growth of a hatchling's wings, although not all breeds of dragons grow wings and some breeds have other traits that indicate the beginning of maturation. Once they hit adolescence, hatchlings change quickly, maturing to their full forms in only 2 years.

Dragons don't communicate with each other verbally, but they will growl to scare off predators and frighten prey. Young dragons will emit an extremely high-pitched squeal when they are frightened. To communicate, they use telepathy with each other and to speak to other creatures.

Black dragons are warriors. They are strong and capable in battles of force, but also ample magic users, capable of devastating opponents with their spells. Their bright eyes give them excellent night vision, which is why they generally hunt during the night.

Kurokaze ("Black wind" in Japanese) is the clan's best fighter. He may be lacking in size and weight, but he makes up for it in raw fighting power. His speed and his teeth are his best weapons. He never gives up in a fight, more willing to die than to surrender. Though he is able to learn magic, he knows no spells and prefers to fight with his own teeth and claws than by magic. In the clan, he is the best when it comes to bringing down prey, or protecting their territory from rival dragons.