
- BGG rating
- 8.0
Expansion for Warhammer Underworlds: Beastgrave
Warhammer Underworlds: Harrowdeep – Illusory Might Rivals Deck
2022
Rules assistance for Warhammer Underworlds: Harrowdeep – Illusory Might Rivals Deck
Plain-language explanations of turns, card effects and disputed situations, with official source references and saved question history.
- 2–4 players
- 30–60 min
- 12+

Rules assistant for Warhammer Underworlds: Harrowdeep – Illusory Might Rivals Deck
What would you like to know?
Answers come from the official rulebook, with the page to check.
Warhammer Underworlds: Harrowdeep – Illusory Might Rivals Deck is an expansion for Warhammer Underworlds: Beastgrave released in 2022 for 2–4 players, 30–60 minutes per game, and ages 12 and up. Its main mechanics are Variable Player Powers, Dice Rolling, and Card Play Conflict Resolution.
About the game
An expansion for Warhammer Underworlds, compatible with the Rivals format, which uses pre-built card decks so that you can get stuck into the game within minutes. Features 32 new universal cards which can be played with your Warband of choice or used to enhance your existing decks. Contents: 12 Universal Objective Cards 10 Universal Gambit Cards 10 Universal Upgrade Cards This is not a stand-alone game. A copy of any Warhammer Underworlds Core Set is required to play. NOTE: The card back graphics in this set do not match those of all the previous games released in the Warhammer: Underworld series. You will not be able to mix and match cards from other previous sets with this one to deck build a unique team unless you sleeve the cards with opaque card sleeves.
Publishers
- Games Workshop Ltd.
Questions and answers
Warhammer Underworlds: Harrowdeep – Illusory Might Rivals Deck supports 2–4 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 Underworlds: Harrowdeep – Illusory Might Rivals Deck is 30–60 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 Underworlds: Harrowdeep – Illusory Might Rivals Deck for ages 12 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 Underworlds: Harrowdeep – Illusory Might Rivals Deck belongs to these categories: Fantasy, Fighting, and Miniatures. Its main mechanics are Variable Player Powers, Dice Rolling, and Card Play Conflict Resolution. 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 Underworlds: Harrowdeep – Illusory Might Rivals Deck as an expansion for Warhammer Underworlds: Beastgrave. Expansions add new content, rules or scenarios to the base game and usually cannot be played on their own, so you need Warhammer Underworlds: Beastgrave to use it. Check that your edition of Warhammer Underworlds: Beastgrave is compatible, as some expansions were revised between editions.