A skeletal zombie in service to Kyuss with green worm maws living in its eye sockets. These worms shoot out and burrow into a victim’s brain, causing Intelligence drain.
The party faced a Kyuss Knight at Kuluth-Mar. It wore magical black plate mail, and carried a magical shield and magical bastard sword, and once it had dropped Long Fist into unconsciousness, it kept battering at him until it was dead, displaying an unusual level of brutality.
Kyuss Knights are the highest generals of the Hounds, each of them individual beings chosen by Kyuss for this honor. They each have a unique set of abilities, damage reduction/silver, and immunity to cold and electrical damage. They are very rare.