The Cult of Sethraliss was formed and led by Sethraliss herself. Indirectly they work for Zul'Nec-ro.
The Cult of Sethraliss obviously consists 99% of Snakefolk. Besides this there is a few Foxfolk who are actually part of it.
See: Ancients, Cult of Sethraliss
Daku is a Foxfolk Lich and oversees the Cult in Zul'Nec-ro's name.
Arch Cleric of the order and a powerful Cleric and soothsayer. She is a white-skinned Snakefolk.
The high general of the order. He is a strong Fighter and Hunter. He is a green-skinned Snakefolk.