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

Sabre II

After this unit is destroyed during combat, roll a die, on a result equal to or greater than 7, produce up to 1 hit against your opponent's ships.
Nokar SellshipsTechnology – Unit Upgrade – Ship – Destroyer

Unit Upgrade

After this unit is destroyed during combat, roll a die, on a result equal to or greater than 7, produce up to 1 hit against your opponent's ships.

ANTI-FIGHTER BARRAGE 6 (×3)

1cost
7combat
2move

Prerequisites: WarfareWarfare

Source: Discordant Stars