The Den of Haal'esh is a deep chasm located in southwestern Hellfire Peninsula, beyond Dustquill Ravine. It is heavily populated by aggressive arakkoa and their kaliri.
By the time of the Cataclysm on Azeroth, it appears that the den was transformed into a Burning Legion citadel.
This article or section includes speculation, observations or opinions possibly supported by lore or by Blizzard officials. It should not be taken as representing official lore.
The Den of Haal'esh may be remnants of an arakkoa force that once attacked the Tanaan Jungle and terrorized the Bleeding Hollow clan.