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

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Sundered

You cannot use wormholes other than epsilon wormholes. Other players' units that move or are placed into your home system are destroyed.
The Crimson RebellionFaction ability

You cannot use wormholes other than epsilon wormholes. Other players' units that move or are placed into your home system are destroyed.

Source: Thunder's Edge