Magus

Magus is a Sorcerer that instigates the bout of Player Killing and enslavement of weaker Adventurers by Hamelin, although he does not belong to the guild itself. He is only seen in the West Wind Brigade manga. He is really a girl trapped in a male avatar, similar to Akatsuki's initial situation.

Appearance
Magus resembles Shiroe, but tends to have more psychotic eyes.

Personality
Magus appears to be a sadistic twisted person who loves to see other players suffer and die by Player Killing. He seems to be enjoying murder despite not doing the dirty work.

West Wind Brigade side-story
Magus first appears when Isami confronts two Hamelin guild members, who are trying to force Touya and Minori into joining. Under the guise of trying to help the two newer players, he successfully deflects Isami's suspicion and recruits the two children. However, after Isami leaves, it turns out that he incited the two Hamelin members to attempt to rape Isami and Sara. Although it fails, the subsequent fight involving Soujiro and a Royal Guard causes the first death in Akiba and reveals the immortality of the players, resulting in the rise of Player Killing.

When the West Wind Brigade realizes about the rise of PK, Soujiro, Nazuna, and Isami end up confronting Magus, where Soujiro attempts to take down Magus only to discover that Minori and Touya were being held hostage. Unable to do anything, Soujiro lets Magus go, apologizing to Minori for being unable to save them. Afterwards, Magus goes alone to a cave, delivering EXP Holy Water to Isaac.