
- BGG rank
- BGG #2,585
- BGG rating
- 7.7
Warhammer Underworlds: Nightvault
- 2 players
- 30–60 min
- Complexity 2.6/5
- 2018

Rules assistance for Warhammer Underworlds: Beastgrave – Arena Mortis
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 Underworlds: Beastgrave – Arena Mortis is an expansion for Warhammer Underworlds: Beastgrave released in 2020 for 3–6 players. It was designed by David Sanders and its main mechanics are Variable Player Powers, Hand Management, and Dice Rolling.
Warhammer Underworlds meets fast-paced multiplayer combat in Arena Mortis – an expansion that transforms the ultimate competitive miniatures game into a furious free-for-all! This boxed set lets you transform your Warhammer Underworlds collection into a new kind of game. Picking your favourite hero, you'll embark on arena battles that are fast paced, fun and that'll push your Warhammer Underworlds skills to the limit! Includes: - 20 all-new Gambit cards – designed for Arena Mortis but usable in ANY of your games - 20 all-new Upgrade cards – also usable in ordinary games of Warhammer Underworlds - A double-sided game board to play on, compatible with all existing Warhammer Underworlds boards - Tokens and Cards for keeping track of the game - Updated cards for the Restless Dead gambit and the Sepulchral Warden, reprinted for your convenience incorporating the latest rules updates -description from the publisher's website
Warhammer Underworlds: Beastgrave – Arena Mortis supports 3–6 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.
Warhammer Underworlds: Beastgrave – Arena Mortis belongs to these categories: Fantasy, Wargame, and Miniatures. Its main mechanics are Variable Player Powers, Hand Management, and Dice Rolling. 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 credited designers of Warhammer Underworlds: Beastgrave – Arena Mortis are: David Sanders. These credits come from the published game data and name the people responsible for the game’s design, not its illustrators or publishers. Designer pages on MeepleRules collect other titles by the same designers, which helps when you enjoy a game and want to find similar ones.
The catalogue lists Warhammer Underworlds: Beastgrave – Arena Mortis 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.