
- BGG rank
- BGG #2,697
- BGG rating
- 8.0
Infinity N3: Core Book
- 2 players
- 90–120 min
- Complexity 3.9/5
- 2005

Expansion for Warhammer: The Horus Heresy – Legions Imperialis
2025
Rules assistance for Warhammer: The Horus Heresy – Legions Imperialis: Liber Strategia
Plain-language explanations of turns, card effects and disputed situations, with official source references and saved question history.

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Answers come from the official rulebook, with the page to check.
Warhammer: The Horus Heresy – Legions Imperialis: Liber Strategia is an expansion for Warhammer: The Horus Heresy – Legions Imperialis released in 2025 for 2–6 players, 120 minutes per game, and ages 14 and up. Its main mechanics are Dice Rolling and Order Counters.
Across the battlefields of the 31st Millennium, Humanity fights for its very survival. The Warmaster, Horus Lupercal, has turned against the Emperor, along with half of the armies of the Imperium. They march relentlessly for Terra, as vast cohorts of titanic war machines clash against each other in a brutal and bloody civil war. This is the Age of Darkness. This essential gaming supplement for Warhammer: The Horus Heresy – Legions Imperialis collates the army lists for Legiones Astartes, Solar Auxilia, Mechanicum Taghmata, Dark Mechanicum, Collegia Titanica, and Knight Households. Having the Detachments and Formations for each force in one place makes army building easy, and keeping track of your rules in the heat of battle straightforward. The book also contains Iconic Formations and Bonded Cybernetica Support Formations to add even more narrative flavour to your armies. Inside this 240-page hardback book, you will find: Army Lists: Exhaustive Formations and Detachments for Legiones Astartes, Solar Auxilia, Mechanicum Taghmata, Dark Mechanicum, Collegia Titanica, and Knight Households. Miniatures Showcases: Painted Legions Imperialis miniatures to inspire you. Iconic Formations: Legendary Formations of warriors you can unleash on the battlefield. Bonded Cybernetica Support Formations: Cohorts of Legio Cybernetica constructs you can add to your force. —description from the publisher
Warhammer: The Horus Heresy – Legions Imperialis: Liber Strategia supports 2–6 players according to the catalogue. This range comes from the publisher’s listed player count, so the game can be set up for any group size within it. Some setups, rules and scoring details may still vary by player count, so check your edition’s rulebook for the exact configuration.
The listed playing time for Warhammer: The Horus Heresy – Legions Imperialis: Liber Strategia is 120 minutes. This is the publisher’s estimate for a full game. The actual duration depends on the group, the player count and familiarity with the rules: first sessions usually run longer, while experienced groups often finish faster. Setup and teaching time are not included in this estimate.
The catalogue lists Warhammer: The Horus Heresy – Legions Imperialis: Liber Strategia for ages 14 and up. This is the publisher’s recommendation and reflects reading demands, rule complexity and small components rather than theme alone. Younger players can often join with help from an adult, so check the age guidance on your edition and consider your group’s experience with board games.
Warhammer: The Horus Heresy – Legions Imperialis: Liber Strategia belongs to these categories: Miniatures, Science Fiction, and Expansion for Base-game. Its main mechanics are Dice Rolling and Order Counters. Categories describe the theme and setting of a game, while mechanics describe what players actually do on their turns. Each mechanic links to a catalogue hub with similar games, which helps when you want something comparable.
The catalogue lists Warhammer: The Horus Heresy – Legions Imperialis: Liber Strategia as an expansion for Warhammer: The Horus Heresy – Legions Imperialis. Expansions add new content, rules or scenarios to the base game and usually cannot be played on their own, so you need Warhammer: The Horus Heresy – Legions Imperialis to use it. Check that your edition of Warhammer: The Horus Heresy – Legions Imperialis is compatible, as some expansions were revised between editions.