Cove Krakatoa Infernus, 또는 Vile Cove Dragon, is a 45 년 old dragon that lived in East Dragon Raw. Before he became a victim of the Vile Virus and it consumed his entire being, Cove lived as a famous, superb, and noble warrior. He slayed over 1000 enemies on the field of battle, and saved lives of any bystander that was at the peke of peril. He was loved 의해 everyone on Dragon Raw, until it happened. A monster appeared at South Dragon Raw, seeking lives of innocents. The noble dragon made haste towards the island to slay the foul beast. As Cove was fighting the beast, it had scratched him with it's black claw. Cove managed to kill the monster, however he became consumed with voices saying, "DeStRoY tHeM aLl." A few days have pasted, and Cove started to behave in an odd manner. He started breaking things, causing a ruckus, and he left his wife and children never to heard from again. Two years later, Cove returns to his 집 lands only to be interrupted 의해 people welcoming he back. Instead of being the noble dragon he usually is, he gave the people who tried to talk to them an insult, and/or struck them. The effects of the vile that was in that monster's claw from the time he fought it is starting to kick in and consume his pure spirit. Cove wasn't his usual self lately, and began to abuse his fame and started to become snobby and impolite. Then eventually, he started attacking others without motivation, and started to become violent, and aggressive; the vile has took over Cove. He started destroying areas, killing people, and setting places on fire. Therefore, Cove was imprisoned in Central Dragon depths 의해 the 3 Chosen 용 of that time, and was immobilize for 28 years. That many years later, an accident occurred during the events of The Sacred Dragon Ceremony that broke the 봉인, 인감 that imprisoned Cove, therefor setting him free, and coming back with a dark vengeance that wants him to destroy Mobius.

Vile Cove is a evil, vile, heartless, and demonic dragon. He only seeks on vengeance against the world, and to destroy it. For the most part, he's very calm, and intelligent. When his plan fails, he is consumed with rage, and goes on a ballistic rampage.

Vile Cove use dark Astrokinesis created 의해 the dark nebula. He absorbed the energy in the final show down with the hero.