Chelak's Body is the target of the quest Spiders in the Cloakwood. Chelak is the brother of Tiber and was killed by Centeol's spiders in the Cloakwood. His body is in a large tangle of webs behind Centeol in the cave where she is imprisoned.
Quests
Spiders in the Cloakwood
Tiber asks Gorion's Ward and their party to find his brother, Chelak.