Underground is a music track that is unlocked in the Wilderness. It can also be unlocked in the Entrana Dungeon or in the area of Taverley Dungeon containing Black Demons.
Prior to an update on 28 April 2021, the track could be unlocked east of the Chaos Temple, but not in other parts of the Wilderness.
- The track previously played in all of the Chaos Temple, but since the release of Faithless on 17 November 2004 now only plays in the eastern section.
- According to data crowdsourced via RuneLite, approximately 78% of players unlock the track in the Entrana Dungeon, 14% unlock it in the Taverley Dungeon, and 9% unlock it in the Wilderness.