In 14 BBY, Jedi Padawan Cal Kestis visited the Swamp of Sacrifice during a mission to Dathomir. He used the Force ability to Psychometry on the entrance of the ruined building to learn about the Nightbrothers' culture of arena combat.
The Nightbrother arena appeared in the 2019 video game Star Wars Jedi: Fallen Order, developed by Respawn Entertainment.
The Nightbrother arena appeared in the 2019 video game Star Wars Jedi: Fallen Order, developed by Respawn Entertainment.