A cunning and ruthless man, Zimreon will do whatever it takes to achieve his goals. He will even dispose of his own followers if he sees them as no longer useful. Using his charisma, he manipulates others to serve his own ends.
He becomes obsessed with John, whom he sees as an anomaly who should be either assimilated or annihilated. Zimreon attempts to convince John to join the Clan, preying on his insecurities, doubts, and flaws.
Zimreon is described as having combed black hair which he slicks back, narrow black eyes, thick black eyebrows, and a gaunt face with "aristocratic" high cheekbones.
Zimreon was a hunyadi in the Old Exekian Empire. When the First Exekian War broke out, he fought for the Empire. After the Emperor was killed and the capital was destroyed, Zimreon was among those who fled south to escape the genocide that followed. His hatred of humans grew exponentially during this period, as he narrowly reached the Shadowlands, only to find that all sense of order had broken down and it was every man for himself.
Rather than join the chaos, Zimreon sought to impose his own kind of order. He naturally drew followers who longed for the freedoms they'd had in the days of the Empire. In Zimreon, they saw someone who could provide those freedoms once again.
Zimreon's power grew until finally, after making a treaty with the weaker Nechtan, he formed his own faction: the Clan, a group of Exekians devoted to freedom and united by their shared hatred of humans.