Demon Dragon

Trivia

 * It has a Social Empires Counterpart, with the same name, and obtained through the Hell's Forge Island.
 * There is a typo in his description.  It should say "in the nightmares of other dragons"  not "on the nightmares of other dragons".
 * As a baby it burns the mini demon that floats above it.
 * As a juvenile it temparaily has a halo above its head.
 * As an adult its animation shows that when it roars, lighting strikes the ground.
 * It has the highest gold revenue than any other non-pure/legendary dragon.  It has the same revenue as a Wind Dragon.
 * Its the mutual enemy of Archangel Dragon.
 * Demon Dragon along with Cerberus Dragon have the Dungeon element, a customized version of Dark element.
 * You can get it in the The Dungeon Island Quest.