
- BGG rank
- BGG #2,383
- BGG rating
- 6.7
Boss Monster 2: The Next Level
- 2–4 players
- 20–30 min
- Complexity 1.8/5
- 2015

Rules assistance for Warhammer Underworlds: Direchasm – Arena Mortis
Plain-language explanations of turns, card effects and disputed situations, with official source references and saved question history.

What would you like to know?
Answers come from the official rulebook, with the page to check.
Warhammer Underworlds: Direchasm – Arena Mortis is an expansion for Warhammer Underworlds: Direchasm released in 2021 for 3–6 players and 30–60 minutes per game.
Arena Mortis gives you a variety of new ways to use your existing Warhammer Underworlds collection. 3 to 6 players choose a single fighter from any warband to send into brutal melee, either in a free-for-all brawl or in teams. Arena Mortis offers fast-paced fun, and it's a fantastic way to mix up your game night and settle grudges. The latest edition of Arena Mortis is fully compatible with the previous version and brings the action into Direchasm. You'll find a completely new deck of hazard cards to represent the deadly environment and add depth to your games. You'll also nab a fresh set of gambit and upgrade cards to mix into your Warhammer Underworlds decks. Inside the set, you'll find: 20 gambit cards – designed for Arena Mortis but usable in any version of Warhammer Underworlds 20 upgrade cards – also compatible with standard games of Warhammer Underworlds 20 hazard cards, usable only in Arena Mortis (including the previous edition) A double-sided game board to play on, compatible with existing Warhammer Underworlds boards Tokens and Cards for keeping track of the game, including six new Mortis Lenses Fighter cards for Regis Fulbringer and Dolorghast, available in print for the first time —description from the publisher's website
Warhammer Underworlds: Direchasm – 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.
The listed playing time for Warhammer Underworlds: Direchasm – Arena Mortis 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.
Warhammer Underworlds: Direchasm – Arena Mortis belongs to these categories: Expansion for Base-game. Categories describe the theme, setting and style of a game rather than its rules. Filter the catalogue by the same category to find similar games when you enjoyed Warhammer Underworlds: Direchasm – Arena Mortis and want something comparable for your next game night.
The catalogue lists Warhammer Underworlds: Direchasm – Arena Mortis as an expansion for Warhammer Underworlds: Direchasm. Expansions add new content, rules or scenarios to the base game and usually cannot be played on their own, so you need Warhammer Underworlds: Direchasm to use it. Check that your edition of Warhammer Underworlds: Direchasm is compatible, as some expansions were revised between editions.