Warhammer 40,000: Darktide Introduces Arbites Class and Battle for Tertium Update

Gaming Staff • June 23, 2025

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Fatshark, an independent game developer, has released the first paid class DLC, the Arbites, for their game Warhammer 40,000: Darktide. The Arbites Class is available for purchase across all platforms starting June 23 and is priced at $11.99 for the Standard Edition and $18.99 for the Deluxe Edition. The Arbites Class features a Cyber-Mastiff companion, a talent tree with various themes, and both blitz and combat abilities.

In addition to the Arbites Class, Fatshark has also released a free update, The Battle for Tertium, which includes a reworked narrative experience and mission board, a new difficulty for the Mortis Trials activity, a new Havoc Campaign, and various quality of life changes and weapon balancing.

The Battle for Tertium reworks the core player experience to provide a clearer narrative focus, following the conflict of the Battle for Tertium. Players will now experience a linear campaign with new mission debriefs and embedded cinematics. The mission board system has also been changed, allowing players to select a mission and then choose the difficulty they want. The difficulty system has also been overhauled, requiring players to complete missions to unlock new difficulties.

The update also includes a new difficulty for Mortis Trials, Auric, and a new in-game event, Inferno, which will take place from June 23 to July 7. The streets of Tertium will be set aflame in missions bearing the Inferno condition, and players can earn Ordo dockets, Plasteel, and Diamantine as rewards. Those who complete the last tier of the event will receive a cosmetic portrait frame.

Fatshark is an independent game developer based in Stockholm, Sweden, and has previously developed titles including Warhammer: Vermintide 2, Warhammer: End Times - Vermintide, and Lead and Gold. Games Workshop, based in Nottingham, UK, produces the best fantasy miniatures in the world and has previously worked with Fatshark on the Warhammer series.

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