War spreads to the planet of Sacaellum with the Decree of Ruin War Pack for Warhammer 40,000: Conquest! As it opens the Planetfall cycle, Decree of Ruin and its cards give new meaning to the different symbols on each planet, granting you powerful benefits when you fight for your faction's goals. New cards swell every faction's armies, and you can inspire your troops in battle with a new Astra Militarum warlord or form unlikely alliances with a new Tau warlord. The war for the Traxis sector intensifies with Decree of Ruin!