The Savage Frontier
Wyrmsmith of Gracklstugh
When the group helped push the tide of derro rioting in the streets, Themberchaud took notice of them. He demanded that the Keepers of the Flame, the duergar priesthood that worship him, bring them to him. When they did, he told the group that he knows the priesthood is keeping a secret from him, and he wants them to find out what it is, and report back to him as his loyal agents.