Twilight's Fall – a separate game. Twilight Imperium's expansions, mods and rules topics are not part of it.

Stellar Genesis

When you gain this card, place the Avernus planet token into a non-home system that is adjacent to a planet you control; gain control of and ready it. After you move 1 of your war suns out of or through Avernus's system and into a non-home system, you may move the Avernus token with it.
The Embers of MuaatBreakthrough

When you gain this card, place the Avernus planet token into a non-home system that is adjacent to a planet you control; gain control of and ready it.

After you move 1 of your war suns out of or through Avernus's system and into a non-home system, you may move the Avernus token with it.

SynergyWarfareCybernetic

Source: Thunder's Edge

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  • The Muaat player explores Avernus when they gain it.
  • The Muaat player may move Avernus even if another player controls it.
  • Avernus may be moved into a system containing another player’s units.
  • Structures may be placed on Avernus.
    • Any PDS (or other relevant unit) on Avernus may use its SPACE CANNON ability during the movement step of the same tactical action the planet is moved.
    • Any of the Muaat player’s space docks (or other relevant units) on Avernus may use its PRODUCTION ability during the production step of the same tactical action the planet is moved.