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Expansion for Warhammer: The Horus Heresy – Age of Darkness
Warhammer: The Horus Heresy – Campaigns of the Age of Darkness: The Siege of Cthonia
2023
Rules assistance for Warhammer: The Horus Heresy – Campaigns of the Age of Darkness: The Siege of Cthonia
Plain-language explanations of turns, card effects and disputed situations, with official source references and saved question history.
- 2 players
Rules assistant for Warhammer: The Horus Heresy – Campaigns of the Age of Darkness: The Siege of Cthonia
What would you like to know?
Answers come from the official rulebook, with the page to check.
Warhammer: The Horus Heresy – Campaigns of the Age of Darkness: The Siege of Cthonia is an expansion for Warhammer: The Horus Heresy – Age of Darkness released in 2023 for 2 players. Its main mechanics are Dice Rolling, Line of Sight, and Measurement Movement.
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About the game
The planet of Cthonia, once home of the Sons of Horus, is consumed by a rolling war and under siege by the Imperial Fists. The True Sons of Cthonia vow to retake their world before the Warmaster claims Terra, with the aid of the Word Bearers and the Alpha Legion. Standing between the traitors and victory is a garrison of Imperial Fists, reinforced by warbands of the Shattered Legions and even a cadre of Loyalist Thousand Sons. This 240 page hardback rulebook includes eleven new missions based on the events of the siege of Cthonia, and campaign rules to fight the siege from beginning to apocalyptic end. Also included are rules for new loyalist and traitor characters, and for new units including Astartes Inductii, Legiones Decurions and Cults Abominatio. —description from the publisher
Publishers
- Games Workshop Ltd.
Questions and answers
Warhammer: The Horus Heresy – Campaigns of the Age of Darkness: The Siege of Cthonia supports 2 players according to the catalogue. This is the publisher’s listed player count, so the game is designed for exactly that number of participants. Variants for other group sizes, if any, are described in the rulebook of your edition, so check it before setting up a different configuration.
Warhammer: The Horus Heresy – Campaigns of the Age of Darkness: The Siege of Cthonia belongs to these categories: Wargame, Miniatures, and Science Fiction. Its main mechanics are Dice Rolling, Line of Sight, and Measurement Movement. 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 – Campaigns of the Age of Darkness: The Siege of Cthonia as an expansion for Warhammer: The Horus Heresy – Age of Darkness. 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 – Age of Darkness to use it. Check that your edition of Warhammer: The Horus Heresy – Age of Darkness is compatible, as some expansions were revised between editions.