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Location: Milky WayCrescent NebulaZelene System Third planet

Prerequisite: Horizon (mission) (Mass Effect 2)


Epho is a rocky world with an atmosphere of oxygen and carbon dioxide. There are large craters scattered across its surface, obviously from hypervelocity kinetic impactors. Stretching between these locations are the shattered remains of magnetic levitation rail lines, which strongly suggests the craters represent the former locations of arthenni mining outposts or other settlements. The equatorial region contains an extensive network of canyons, formed by the planet's abundant liquid water.

TRAVEL ADVISORY: Epho's atmosphere is approximately 41% carbon dioxide at sea level. This is 4 to 6 times that necessary to render most species unconscious within a few minutes of breathing it. Breathing masks must be worn at all times when on the surface of Epho.

Mineral DepositsEdit

Initial Scanner Result: Rich

Mineral Amount Approximate Value
Palladium High 13,800
Platinum Low 3,900
Iridium Medium 7,900
Element Zero None 0


  • In Hebrew, the word "epho" (איפה) (pronounced "efo" or "eifo") means "where", when used in a question.

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