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

Proxima Targeting VI

Cancel 1 hit produced by each BOMBARDMENT roll against your units. At the start of a round of ground combat, you may resolve BOMBARDMENT 7 (x3) against your opponent's ground forces; if you do, resolve BOMBARDMENT 7 (x3) against your own ground forces.
Last Bastion originAbility – Warfare

Warfare

Cancel 1 hit produced by each BOMBARDMENT roll against your units.

At the start of a round of ground combat, you may resolve BOMBARDMENT 7 (x3) against your opponent's ground forces; if you do, resolve BOMBARDMENT 7 (x3) against your own ground forces.

1in the deck
–chance to draw

Source: Twilight's Fall