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

It Feeds on Carrion - Dimensional Anchor

Twisted Horror - Event Horizon

ACTION: Each other player rolls a die for each of their non-fighter ships that are in or adjacent to a system that contains a dimensional tear; on a 1-3, capture that unit. If this causes a player's ground forces or fighter to be removed, also capture those units. Then, purge this card. Unlock: Have 3 scored objectives.
The Vuil'raith CabalLeader – Hero

Hero

ACTION:

Each other player rolls a die for each of their non-fighter ships that are in or adjacent to a system that contains a dimensional tear; on a 1-3, capture that unit. If this causes a player's ground forces or fighter to be removed, also capture those units.

Then, purge this card.

Unlock

Have 3 scored objectives.

Source: Prophecy of Kings

ClarificationsSelect rulings confidence level

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tirules.com
  • Units captured while resolving Dimensional Anchor are not destroyed.
  • If a player’s units are blockading one of the Vuil’raith player’s Dimensional Tears, dice will not be rolled for that player’s units when resolving Dimensional Anchor.
  • Each non-fighter ship affected will roll only once, regardless of how many Dimensional Tears it is adjacent to.
  • The player that owns the ground forces and fighters chooses which are removed. They are not assigned to particular ships beforehand.
  • If the Nekro player has used a Valefar Assimilator faction technology to copy Dimensional Tear II, ships in systems containing or adjacent to the Nekro player’s space docks will also have to roll for capture when resolving Dimensional Anchor. This includes the Nekro player’s own ships.