Zrada

Zrada is the Lawful Evil Arch-Devil of Betrayal, Trickery, and Corruption.

Origin
Zrada makes his home in the center of Zkasa, a massive stone maze filled with traps and demons. When Elam wandered the planes after being banished from Kothor he came across Zkasa and after several years found Zrada within. His motivation in joining Elam in his return to Kothor was and is still unknown. Wherever he came from before Zkasa is unknown.