Yin-Yang Dragon

The Yin-Yang Dragon was a Dragon which was mutated by the effects of Riyne‘s awakening of his Yin-Yang Eye.

 Background : 

The Yin-Yang Dragon were a set of sibling Dragons, which were one a Western and Eastern Dragon due to mutated lineage. Being fulnerable to radioactivity they were mutated together and formed the Yin-Yang Dragon.

As a gift for his sons on their 10th birthday, Riyne found it and controlled it with his eye and kept it stable. But one day, after 3 years, a arguement caused them to force apart which rendered them unstable and caused the destruction of the first castle and the death of Riyne and of many citizens and was split in two, the Light Beast and Shadow Beast and were sealed in the brothers.