Location: Milky WayArgos RhoPhoenix System Third planet

Prerequisite: Pinnacle Station: Combat Missions (Mass Effect)
Prerequisite: Priority: Geth Dreadnought (Mass Effect 3)

Description[edit | edit source]

An atmosphere similar to Earth's made Intai'sei an early candidate for human colonization. However, prohibitively high temperatures and an arid climate have proven a hindrance to terraforming and agriculture. A few human cities were founded, but the majority of the human population on Intai'sei remains scattered across the vast deserts, operating wind farms and geological research stations.

Missions[edit | edit source]

Assignments[edit | edit source]

Search and Rescue[edit | edit source]

Main article: Search and Rescue
  • Artifact: Fossilized Kakliosaur

Trivia[edit | edit source]

  • In Pinnacle Station, completing Admiral Ahern's special simulator scenario in the mission Pinnacle Station: Combat Missions grants access to Ahern's retirement home on Intai'sei.
  • Retirement planet
    Intai'sei's orbital period is 47.8 Earth years, whereas its neighbouring planet has an orbital period of 94.5 Earth years, making it unlikely to be the fifth planet of the Phoenix system. Its orbital period in Mass Effect suggests a location in between Tuntau and Sylsalto, at a distance of nearly 16 AU from the star Phoenix. This discrepancy is corrected in Mass Effect 3, and Intai'sei is moved from the fifth orbital of the system to the third.
  • The name for the planet may be taken from the Japanese noun "intaiseikatsu" (隠退生活) which means "secluded life."
  • Intai'sei can also be conveniently read in Japanese as 引退星 ("retirement planet").
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