This content requires the base game Warhammer 40,000: Rogue Trader on Steam in order to play.

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Release Date:
Jun 24, 2025
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Downloadable Content

This content requires the base game Warhammer 40,000: Rogue Trader on Steam in order to play.

This game is not yet available on Steam

Planned Release Date: Jun 24, 2025

This game plans to unlock in approximately 4 weeks

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About This Content

"Lex Imperialis" is the second story expansion for Warhammer 40,000: Rogue Trader, providing an additional 15 hours of thrilling narrative-driven gameplay that explores the iron-clad rule of Imperial Law and introduces an entirely new faction — the Adeptus Arbites. Unravel the dark secrets of House von Valancius as you navigate a perilous web of justice, duty, and betrayal, on a quest that will alter the destiny of the entire Koronus Expanse.

A gripping new story: Immerse yourself in a tense narrative where your choices as judge and judged ripple throughout the Imperium. Delve into the intricate process of the Grand Harvesting and experience firsthand the grim responsibility of collecting the Imperial Tithe — and the severe consequences that await those who interfere with this sacred duty.

Dynamic new mechanics: Embrace tactical innovation with an all-new set of Familiars and bring fresh strategy to combat challenges. Command a majestic cybernetic eagle — a living embodiment of the Aquila — while your companion directs his powerful cyber-mastiff. These battle companions dramatically reshape combat encounters, requiring the use of inventive tactics while delivering thrilling, unpredictable outcomes.

An uncompromising new companion: Meet Solomorne Anthar, a seasoned Arbites officer whose unwavering dedication to Imperial justice is matched only by his simmering anger and hatred of criminals. Accompanied by his loyal cyber-mastiff, this fierce Arbitrator offers players not only formidable combat skills but also a deeply personal romance and a troubled past to uncover.

The Adeptus Arbites revealed: Face the unyielding guardians of Imperial law. These incorruptible enforcers arrive equipped with signature weaponry — shotguns, suppression shields, and power mauls — to redefine battlefield dynamics and tactical gameplay, embodying both their elite status and their relentless pursuit of order.

Mature Content Description

The developers describe the content like this:

This game contains scenes and texts some people may find disturbing. They are not graphically detailed and presented from an isometric point of view, and most of them occur episodically. However, we consider it our duty to inform our players about them. You may see depictions of blood, gore, dismemberment, torture, slavery, and kidnapping in this game. It also contains textual descriptions and mentions of abuse, child abuse, sexual abuse, sexual assault, self-harm, suicide, cannibalism, and miscarriage. Player discretion is advised.

System Requirements

Windows
macOS
    Minimum:
    • OS: Win10
    • Processor: Intel(R) Core(TM) i5-4590T CPU @ 2.00GHz
    • Memory: 8 GB RAM
    • Graphics: AMD Radeon RX Vega 6 / Intel HD Graphics 630
    • DirectX: Version 11
    • Storage: 40 GB available space
    Recommended:
    • OS: Win10
    • Processor: Intel(R) Core(TM) i5-6400 CPU @ 2.70GHz
    • Memory: 16 GB RAM
    • Graphics: AMD Radeon RX 570 / NVIDIA GeForce GTX 1050 Ti
    • DirectX: Version 11
    • Storage: 40 GB available space
    Minimum:
    • OS: 10.14.6
    • Processor: Intel Core i3 8100 @ 3.6 GHz or Apple Silicon M1
    • Memory: 8 GB RAM
    • Graphics: Intel: AMD Radeon Pro 555X 2GB or ARM: Integrated
    • Storage: 40 GB available space
    Recommended:
    • OS: 10.15.7
    • Processor: Intel Core i5 8400 @ 2.8 GHz or Apple Silicon M1X
    • Memory: 16 GB RAM
    • Graphics: Intel: AMD Radeon Pro 570X 4GB or ARM: Integrated
    • Storage: 40 GB available space
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