Behold! The Recruit-A-Friend program has unleashed an all new reward mount—the swift and sleek Obsidian Nightwing. Unlike most other mounts, the Obsidian Nightwing is not a mount you summon, but rather a mount that you become, enabling you to take to the skies with a friend riding on your back. And who wouldn’t want to ride (or transform into) a winged panther?
World of Warcraft