HEED THE CALL! JOIN THE HOLY ORDERS OF THE GOD-EMPEROR’S INQUISITION!

The Macharian Sector is in peril. On all sides and from within, heretic, daemon and xenos threaten to destroy what the Emperor and his servant, Lord Solar Macharius, have built. As the Imperium’s forces take to the battlefield, it falls to the Holy Orders of the Inquisition to wage their own secretive war. Wielding ultimate authority, Inquisitors and their acolytes face corruption and damnation at every turn. They must be exacting and merciless in their vigil to survive and preserve the soul of the Imperium. Though the doom they seek to avert is inevitable, it might yet be delayed, and only the Inquisition can hope to stave off the darkness that threatens to consume the entire galaxy.

The Inquisition Guides bring the Holy Orders of the Emperor’s Inquisition to life at your gaming table. This first half of an exciting two-book set for Warhammer 40,000 Roleplay: Imperium Maledictum, the Inquisition Player’s Guide lets you craft intimidating Inquisitors and their loyal acolytes and equip them with everything from ominous Daemon Weapons to loyal Psyber-Familiars.

Prepare yourself well for the thankless task of facing the enemies of the Imperium, for every assignment might very well be your last. Should you survive, your only reward will be a litany of fresh horrors to face. But if not you, then who?

Create Inquisitor Patrons from the Ordo Hereticus, Malleus, and Xenos, granting them powerful Boons and worrisome Liabilities.

Create your acolyte and outfit them with a host of new wargear, from iconic Inquisition weaponry to subtle tools of espionage, as well as useful Skills, cunning Talents and devastating Psychic Powers.

Learn about the Inquisition you are bound to serve, its presence in the Macharian Sector, and everything a fresh acolyte needs to know to survive long enough to be useful to their Inquisitor.

Train your own Cyber- or Psyber-Familiars to aid you in your missions.

Learn to wield your Inquisitor’s limitless authority well, as the Subtletly mechanic allows players to track and benefit from discreet and clever roleplaying.

Additional Group, Individual and Long-Term Endeavours to aid players in their investigations and prepare them for their next mission.

The Inquisition Player's Guide requires the Imperium Maledictum Core Rulebook to play. It brings the focus in on Inquisition-themed adventures, adding new elements to your ongoing campaign, or setting you up for a new adventure. The Inquisition GM’s Guide completes this two-book set, the perfect addition for a gamemaster looking to create the ultimate Inquisition campaign!

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Released: 26 September 2025