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About Warhammer 40,000: Inquisitor - Martyr
Warhammer 40,000: Inquisitor – Martyr is a story‑driven single‑player campaign set in the 41st millennium. Players become an Inquisitor, pick one of three classes, and battle Chaos‑tainted forces inside a haunted fortress‑monastery.
The game expands into an open‑world sandbox across the Caligari Sector, offering a star‑map of solar systems, co‑op missions for up to four players, a Cabal system, and ongoing free Chapters that add new enemies, locations, and story arcs.
01 / THE GUIDE
Classes and Specializations
Three Inquisitor classes are available—Crusader, Death Cult Assassin, and Primaris Psyker—each with three specializations that shape combat focus, from holding ground to using Warp powers.
Choosing a class determines how players use cover, execute bosses, or employ psychic abilities, while specializations let players fine‑tune that role for each mission.
- Try each specialization in a short mission to see which combat rhythm fits your preferred approach.
- Adjust your load‑out before missions to match the class’s strengths, such as ranged gear for a Psyker.
02 / THE GUIDE
Open‑World Exploration
The Caligari Sector appears as a star map containing many solar systems; players travel between subsectors to visit planets with distinct terrain, Void Stations, and abandoned Star Forts.
Each location hosts missions and environmental challenges, and the sector persists—actions in one system can influence the broader world as new points of interest appear through updates.
- Use the star map to plot routes that hit varied terrain for a broader combat experience.
- Check for newly unlocked points of interest after each free Chapter.

03 / THE GUIDE
Co‑op Play and Cabals
Up to four players can join a mission in co‑operative mode, sharing rewards and tackling enemies together.
Forming an Inquisitorial Cabal lets groups progress like individual characters and grants access to special missions, while Cabals may clash with other factions in the sector.
- Coordinate class choices within your team to cover defensive, melee, and psychic roles.
- Participate in Cabal missions to unlock exclusive content.
04 / THE GUIDE
Crafting and Skill Tuning
Players collect Blueprints and use the Crafting system to improve equipment; the Inoculator fine‑tunes skills, and Uther’s Tarot sets conditions for upcoming missions.
Load‑out selection before each mission lets players adapt gear and abilities to expected threats, targeting specific loot or challenges.
- Upgrade weapons that align with your class’s primary damage type for best results.
- Use Uther’s Tarot to steer missions toward desired loot tiers.
05 / THE GUIDE
Live Expanding World
Free Chapters add new enemy factions, terrain, missions, and longer story arcs that let players shape the persistent Caligari Sector.
Global Events introduce temporary challenges that reward exploration and collection, ensuring the world remains dynamic.
- Read Chapter notes for new mission types that suit your current build.
- Join Global Events early to secure limited‑time rewards.





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