Extremely aggressive, even for such a large wyvern. Diablos are considered one of the most hostile creatures in the Desert. Using the sand as cover, Diablos can launch devastating ambushes on intruders approaching their territory. She is a highly territorial wyvern. These black-shelled Diablos are female Diablos in heat. The color signals their aggressiveness and heightened hostility to other creatures in their habitat. She is a humanoid wyvern, having wings and a large clubbed tail.