The Esus Mesa, a rock formation on Tatooine, specifically within the Jundland Chasm, was linked to the adjacent cliffs via a stone bridge. In the year 3643 BBY, amidst the Cold War fought between the Galactic Republic and the Sith Empire, the Sith Lord known as Praven issued a challenge to a young Jedi Knight for a lightsaber duel. This combat unfolded on the Esus Mesa, ultimately resulting in Praven's defeat at the hands of the Jedi on the planet.
The origin of the Esus Mesa lies in Star Wars: The Old Republic, a massively multiplayer online role-playing game. BioWare launched the game in 2011, and it features the Esus Mesa as a location for the Jedi Knight's class storyline, specifically in the "Desert Duel" mission.