Sardonac

Sardonac was an avatara of the Wind Age. His notable deed was destroying the Rod of the Callieach, turning Moagim mortal. He was considered to be a noble and wise avatara who cared very much for his emperor. Sardonac gave his life to destroy the Rod of the Callieach and took his place among the legends--because of his deeds, the Light were able to win against Moagim.

Flavor Text
"...the Archmage Mazzarin called forth the most powerful mages of the known lands to his domed palace of Illuan. For the first time, practitioners of magic spoke openly of their rituals and ceremonies. After a long night of feasting and conversation, Mazzarin proposed a union between the gathered spellcasters. Joined, their knowledge and powers would increase ten-fold..."

"...the path of becoming an Avatara is a long and rigorous one. Not only is one's time focused on learning how to manipulate the very fabric of existence, but grueling mental and physical conditioning push one's body and psyche to the limits. To become a true Avatara, one must learn the Dream of Dispersal; a very difficult and potentially lethal dream-spell..."

Trivia
As indicated in the official strategy guide for Myth III: The Wolf Age, Sardonac was once named Honorius during the game's development (The guide was written as the game was being made). This was changed in the final release.