Obsidian is a type of volcanic glass. Obsidian may also refer to: Places Obsidian, Idaho, a town in Custer County, Idaho Obsidian Ridge, a mountain ridge in British Columbia, Canada Arts, entertainment, and media Fictional entities Obsidian (comics), a DC Comics character Obsidian (Transformers), a Transformers character Obsidian, a character in the animated TV series Trollz Obsidian, a character in the Cartoon Network series Steven Universe Obsidian, a synonym for dragonglass, which kills White Walkers and their soldiers in Game of Thrones Obsidian Order, the fictional Cardassian intelligence agency from Star Trek Gaming Obsidian (1986 video game), a video game written for the Amstrad CPC Obsidian (1997 video game), an adventure game developed by Rocket Science Games Obsidian Entertainment, a video game developer Literature Obsidian (novel), a 2020 novel by Thomas King Obsidian: Literature and Arts in the African Diaspora, an African-American peer-reviewed journal first published in 1975 Music Obsidian (Baths album), 2013 Obsidian (Northlane album), 2022 Obsidian (Paradise Lost album), 2020 "Obsidian", a song by Banco de Gaia from Igizeh, 2000 "Obsidian", a song by Deadmau5 from Stuff I Used to Do, 2017 "Obsidian", a song by Meshuggah from Nothing, 2002 Technology Obsidian (software), a note-taking application