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Twilight Imperium Wiki
Twilight Imperium Wiki

Some system tiles contain anomalies. These systems restrict movement and have special rules governing them. They are identified by a red border located on the tile's corners.

Some anomaly systems (introduced in the Prophecy of Kings Expansion) contain planets; these systems are still anomalies.

Abilities can cause a system tile to become an anomaly (e.g. Placing a Dimensional Tear); that system tile is treated as an anomaly in addition to its other properties.

Abilities can cause a system to be two different types of anomalies at once; that system has the properties of both anomalies.

Asteroid Field[]

  • A ship cannot move through or into an asteroid field.

Nebula[]

  • A ship cannot move through, but may move into a nebula.
  • A ship cannot move into a nebula unless it is the active system (i.e. it cannot be the destination of a Retreat, Skilled Retreat or similar effects)
  • If a space combat occurs in a nebula, the defender applies +1 to each combat roll of their ships during that combat.
  • A ship that begins the “Movement” step of a tactical action in a nebula treats its move value as “1” for the duration of that step (this move value may still be increased by other means).

Supernova[]

  • A ship cannot move through or into a supernova.

Gravity Rift[]

  • A ship that will move out of or through a gravity rift at any time during its movement, applies +1 to its move value (This can allow a ship to reach the active system from farther away than it normally could).
  • For each ship that would move out of or through a gravity rift, 1 die is rolled immediately before it exits the gravity rift system; on a result of 1–3, that ship is removed from the board.
    • Dice are not rolled for units that are being transported by ships that have capacity.
    • Units that are being transported are removed from the board if the ship transporting them is removed from the board.
    • Units that are removed are returned to the player’s reinforcements.
  • A gravity rift can affect the same ship multiple times during a single movement.
  • A system that contains multiple gravity rifts is treated as a single gravity rift.

Entropic Scar TE Icon[]

  • All unit abilities cannot be used by or against units inside of an entropic scar. Text abilities are unaffected.
  • Wormholes that would be placed inside of an entropic scar are discarded instead.
  • At the start of the status phase, a player that has ships in an entropic scar can spend a token from their strategy pool to gain one of their faction-specific technologies.

Planet Systems Containing Anomalies[]

Prophecy of Kings Expansion[]

The Prophecy of Kings Expansion introduced the following Anomalies:

  • The Dark (Empyrean Home System): Is a Nebula
  • Cormund System: Contains the Hazardous planet Cormund in addition to a Gravity Rift
  • Everra System: Contains the Cultural planet Everra in addition to a Nebula
  • Asteroid/Alpha System: A system containing an Asteroid Field as well as an Alpha Wormhole
  • Supernova: An additional Supernova tile
  • Muaat Supernova: A Supernova tile for the Muaat Hero ability

Thunder's Edge Expansion[]

The Thunder's Edge Expansion introduced the following Anomalies:

  • Ordinian and Revelation (Last Bastion Home System): Is a Nebula
  • Andeara System: Contains the Industrial planet Andeara in addition to an Alpha Wormhole
  • Industrex System: Contains the Industrial planet Industrex in addition to an Asteroid Field
  • The Watchtower System: Contains the Watchtower Space Station, as well as a Gravity Rift and an Asteroid Field
  • Gravity Rift/Beta System: A system containing a Gravity Rift as well as a Beta Wormhole
  • Entropic Scar: An Entropic Scar tile
  • Lemox System: Contains the Industrial planet Lemox in addition to an Entropic Scar