When he was a prince he fought in a secret battle royal. He won the prize which is where he found his now mate, Zyana. She was the lead in the female battle royal. The two winners then fought each other. Zyana was able to best Zylen in combat. After that he did not see her until years after where she appeared as the ruler of her lands.
He adopted Theodoric as one of his own after he found him roaming the outskirts of the Crystalspine Reaches. They have grown attached to each other.
The oldest in the clan. He has a thick head and loves to fight. He is unlike most Arcane dragons with the fact that he is very dense. Zylen would rather spend his time in the woods hunting than learning in his clan's library.