Sedenach was a planet, home to the Bismuth Mountains. The planet was destroyed by antimatter during the Anti-Monitor Crisis.[1]
History[]
Kara Zor-El and her parents would spend their solstices on Sedenach. At one point, Kara visited the Bismuth Mountains and got to see their crystal staircases.
Mon-El once took a girl to Sedenach, presumably for romantic reasons.[2]
Thomas Coville somehow found a sample of Sedenach dust on Earth, which was used by his acolytes to make a Worldkiller.[3]
Appearances[]
Supergirl[]
Season 2[]
- "Supergirl Lives" (mentioned)
Season 3[]
- "The Fanatical" (mentioned)