Edermask is a main protagonist of the series until his depature from the group at the end of Season 1.
Background
He is said to be over four hundred years old making him one of the oldest magicians in the Magician series.
He is introduced in the beginning of the series when Iremi sees him in her grandmother's magical orb.
Apparently Edermask was a big menance to the people of the world 300 years prior until another person who was also immortal stopped him, Janus.
He has been treated as a criminal for the past 300 years and has been searching for the immortality spell which is forgotten when used on oneself. However many of the crimes attributed to him were not of his own fault, but rather from a lookalike who is being commanded by Janus.
Appearance
Edermask is a very tall man and has three red stripes on each side of his cheeks. He has wavy, brown, middle-length hair that goes below his shoulders. He had brown-almond eyes, his nose is long and his lips are thin.
He wears a white cape that covers his entire body, this cape has been shown to have a magical protection spell over it especially against fire. He carries a blue staff with a pink orb on the top around with him, and also carries a short sword around under his cloak.
Volume 1
After being absent for nearly 300 years, Edermask reappears in the forest village of Adat, unintentionally saving the village from Ethan. After being discovered Ethan uses The Eye to inform Janus.
Edermask came to the village to study the ancient ruins in hopes of finding the spell of immortality. Through the help of Iremi, he quickly finds that the ancient temple does not hold the information he needs, and so Edermask makes his way to the magic city of Tisea. [1]
Upon departing Adat, Edermask is joined by Enzu and Iremi, who follow him on his journey.
Once the party reaches the port city of Lydia, Edermask is attacked by two of Janus' goons, Duwei and Edia, who he easily dispates, killing Duwei and mortally wounding Edia. [2]
Trivia
On a wall of bounties in Lano there was a bounty for Edermask. Although only three of the five bounties were seen, Edermasks bounty was the highest at 700.000.
Ethermasks bounty.
During the series it is found out that Edermask isn't really his name but one that he took on after becoming immortal.