Chaon

Chaon is a deity from the Darkworld in which upholds the cosmic balance, representing the "Chaos" aspect. He is proclaimed to be the most powerful evil in the universe.

Trial of Arion
Chaon is one of the three deities (Tynan, Gemimn) when Arion's is pulled into an unknown realm of their doing after having been captured by Sub-Men while searching for his former master. Chaon is the first to challenge him when Arion attacks them, though is ultimately countered by his powers of light. When Gemimn fails to subdue Arion, Chaon and his two siblings join hand and unleash the Cosmic Balance upon Arion, forcing him to wake up and unleash his magic to undo their sealing.