Tactical Action
LRR §89Rules Reference
The tactical action is the primary method by which players produce units, move ships, and extend their dominion within the galaxy. To perform a tactical action, the active player performs the following steps:
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89.1Step 1 – Activation: The active player must activate a system that does not contain one of their command tokens.
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aTo activate a system, the active player places a command token from their tactic pool in that system. That system is the active system.
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bOther players’ command tokens do not prevent a player from activating a system.
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89.2Step 2 – Movement: The active player may move any number of ships that have a sufficient move value from any number of systems that do not contain one of their command tokens into the active system, following the rules for movement.
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aShips that have capacity values can transport ground forces and fighters when moving.
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bThe player may choose to not move any ships.
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cAfter the Move Ships step, all players can use the Space Cannon abilities of their units in the active system.
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89.3Step 3 – Space Combat: If two players have ships in the active system, those players must resolve a space combat.
- aIf the active player is the only player with ships in the system, they skip this step.
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89.4Step 4 – Invasion: The active player may use their Bombardment abilities, commit units to land on planets, and resolve ground combat against other players’ units.
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89.5Step 5 – Production: The active player may resolve each of their unit’s Production abilities in the active system.
- aThe active player may do this even if they did not move units or land ground forces during this tactical action.
ClarificationsSelect rulings confidence level
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Each of these five steps happen during every tactical action, unless explicitly skipped; the active player does not have to choose between fighting a combat or producing units, for example.
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Any abilities that occur at the end of an action happen before any abilities that occur at the end of a player’s turn.
Nothing here at this confidence level – move the slider above to see less certain rulings.
Sources
LRR: Living Rules Reference §89tirules2: tirules2.comCommunity: TI4 Online Discord, TI4 Homebrew Hub Discord