Tales of Byzantium
Head of the Githzerai Zerth Squad
Arja’rok was sent to Byzantion to investigate rumors of the rebirth of the cult of the Pale Night.
His Githzerai Zerth kept the players in a holding pit while they went to fetch him. After he arrived he apologized for the monsters that had attacked the players while in the pit.
He was betrayed by his second-in-command,. After was defeated, his troop was recalled to a greater battle elsewhere; he left you to recover the seal that stole.