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

PDS

LRR §63

Rules Reference

A PDS (planetary defense system) is a structure that allows a player to defend their territory against invading forces.

  • 63.1Each PDS has the Space Cannon ability.

  • 63.2The primary way by which players acquire PDS units is by resolving either the primary or secondary ability of the Construction strategy card.

  • 63.3A PDS unit is placed on a planet. Each planet can have a maximum of two PDS units.

  • 63.4If a player’s PDS is ever on a planet that does not contain any of their own ground forces and contains a unit that belongs to another player, that PDS is destroyed.

ClarificationsSelect rulings confidence level

Select rulings confidence level

tirules.com
  • A PDS is both a structure and a unit.

  • Each PDS also has the Planetary Shield ability.