Games
Warhammer 40,000: Rogue Trader - Lex Imperialis

Top retailers

Warhammer 40,000: Rogue Trader – Lex Imperialis is an expansion that delves deep into the unforgiving heart of Imperial law. In this DLC, players are thrust into a tense investigation surrounding House von Valancius, navigating a brutal web of justice, power, and secrets that stretch across the Koronus Expanse. With an estimated 15 hours of content, the expansion weaves seamlessly into the main campaign, offering players a fresh experience rooted in the moral complexity of the Warhammer 40k universe.

The expansion introduces the Adeptus Arbites, the Imperium's unyielding enforcers. With their iconic power mauls, suppression shields, and no-nonsense approach to order, the Arbites are a new lens through which to experience the lawless fringes of the galaxy. Their presence brings a new layer of strategic depth to combat and storytelling alike, forcing players to grapple with the harsh realities of absolute authority.

Joining your retinue is Solomorne Anthar, a stoic Arbites officer torn between his rigid sense of justice and the moral ambiguity of the wider Imperium. Accompanied by his loyal cyber-mastiff, Glaito, Anthar adds not just muscle to your squad, but a powerful character arc that explores loyalty, vengeance, and the price of discipline. His story can even evolve into a deeper connection, depending on your choices throughout the campaign.

Warhammer 40,000: Rogue Trader – Lex Imperialis also introduces new gameplay mechanics, most notably the Overseer archetype. This class allows players to command cybernetic companions, ranging from cyber-eagles to mastiffs, adding new tactical options and unique battlefield synergy. These companions offer both offensive and supportive roles, changing how you approach combat encounters and squad composition.

Additionally, the expansion debuts shield-based combat, giving players a robust new way to defend and control the battlefield. Shields add another layer of nuance to engagements, making every skirmish feel more dynamic and calculated.

This expansion challenges your convictions and reshapes your path through the stars with deep storytelling, meaningful choices, and mechanical innovation.

This game is a DLC and needs to be used with the complete version of the game : Warhammer 40,000: Rogue Trader

Technical information
Official website
Categories : Adventure, Role-Playing, Strategy
Editor : Owlcat Games
Developer : Owlcat Games
Mode(s) : Solo, Multiplayer, Co-op
Release date : 24 June 2025
System Requirements
- Minimum
- OS: Windows 10
- CPU : Core i5-4590
- RAM : 8 GB
- GPU : Radeon RX Vega 6
- Storage : 100 GB
- Recommended
- CPU : Core i5-6400
- RAM : 16 GB
- GPU : GeForce GTX 1050 Ti / Radeon RX 570
- Storage : 100 GB
Age Rating