A Wyvern is a large, draconian creature with predominantly dark red skin, save for its belly, which is tan, and its wings, which are salmon-colored, though its wingtips are dark red. Its body is rather thin, while its three-toed feet are quite large, each sporting black talons. Its wings seem rather thin when compared to its body, and its wingtips appear tattered, with several small holes in them. There is a tall, slightly curved spike on each of its shoulders. The Wyvern's tail is fairly short, particularly in comparison to similar Heartless, and its head is V-shaped and flat. It has beady yellow eyes on either side of its head, and its Heartless emblem is on its chest.
In Kingdom Hearts Final Mix, the Wyvern's skin becomes a faded shade of blue and black, its belly becomes dull yellow, the tips of the spikes on its shoulders and head become pale yellow, and the tips of its wings becomes blue.
Wyverns are able to maintain what seems to be almost effortless flight. Their feet never touch the ground, and they are able to soar to heights unreachable by Sora. These Heartless are capable of powerful ramming attacks, and corkscrew dives, both of which can be deadly and shave off respectable amounts of HP.
They are quite powerful, and attack with claws and a corkscrew charge. They have a tendency to soar high up in the air, and then swoop down vertically on the enemy, dealing damage.
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