Owlcat Games recently released a brief teaser for the third expansion for Warhammer 40,000: Rogue Trader. The video showcases an awakened Necron army that the Rogue Trader's retinue will face.
The DLC storyline, "The Countless Museum," sends players to explore a legendary vault belonging to Trazyn the Infinite himself. The Rogue Trader witnesses his relic collection and must decide whether to follow the Necrons' plans or sabotage them. The expansion offers approximately 15 hours of story content, a new companion, and expanded gameplay mechanics through combat implants.
The DLC is scheduled for Q2 2026 (April through June). "The Countless Museum" is included in the second season pass, which also features the fourth DLC "Procession of the Damned." In the latter announced add-on, the developers will introduce an expedition to a mysterious void ship graveyard harboring secrets and madness.
Warhammer 40,000: Rogue Trader is available on PC (Steam, GOG, Epic Games Store), PlayStation 5, and Xbox Series X|S.
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