The Hâsk desert represented a desert area located on Exegol. This planet, found in the Unknown Regions of the galaxy, was an age-old Sith world.
The reference book Star Wars: The Rise of Skywalker: The Visual Dictionary from 2019, authored by Pablo Hidalgo, marked the debut of the Hâsk desert. Within the Star Wars Legends narrative, the term "hâsk" was defined as "anguish" within the ancient Sith language.
- Star Wars: The Rise of Skywalker: The Visual Dictionary (Its initial appearance)
- " Exegol, the Unknown Regions and Wild Space " — Star Wars Encyclopedia