Prerequisite: Noveria: Geth Interest (Mass Effect)
The Styx Theta cluster and the systems within it are named for the Greek underworld, Hades. The name of Erebus, a god representing the personification of darkness and shadow, came to be applied to a portion of the underworld itself.
Erebus was surveyed by the Systems Alliance ship Ibn Battuta, which specifically surveyed Chofen and Quaji. The ship is named after Ibn Battuta, a famous 14th century Moroccan traveller and explorer who has a crater on the Moon named after him.
Chofen[]
Chofen is the fourth planet orbiting the star Erebus.
- Main article: Chofen
Nepmos[]
Nepmos is the first planet orbiting the star Erebus.
- Main article: Nepmos
- Assignment: UNC: Listening Post Alpha
- Collection: UNC: Locate Signs of Battle: League of One Medallion ×1
- Survey: UNC: Valuable Minerals: Heavy Metal ×1 / Light Metal ×1 / Rare Element ×1
Quaji[]
Quaji is the second planet orbiting the star Erebus.
- Main article: Quaji
- Survey: UNC: Valuable Minerals: Heavy Metal ×1
Wermani[]
Wermani is the third planet orbiting the star Erebus.
- Main article: Wermani
- Collection: UNC: Prothean Data Discs: Prothean Data Discs ×1