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

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Abyssal Embrace

When you create the game board, place the Ghoti Space tile where your home system would normally be placed. The Ghoti Space system is not a home system.
Ghoti WayfarersFaction ability

When you create the game board, place the Ghoti Space tile where your home system would normally be placed. The Ghoti Space system is not a home system.

Source: Discordant Stars