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

Munitions Reserves

At the start of each round of space combat, you may spend 2 trade goods; you may reroll any number of your dice during that combat round.
The Barony of LetnevFaction ability

At the start of each round of space combat, you may spend 2 trade goods; you may reroll any number of your dice during that combat round.

Source: Base game

ClarificationsSelect rulings confidence level

Select rulings confidence level

tirules.com
  • MUNITIONS RESERVES may only be triggered once per round. The Letnev player cannot spend four (or more) trade goods to get two (or more) rerolls.