Grotmas Calendar

Start building your new army lists with the latest 10th Edition Warhammer 40k Munitorum Field Manual points, updates, and changes from June 2025! 

Your guide to the latest Warhammer 40k Balance Dataslate 10th Edition Update, including points changes from 2024 through June 2025.

Every Warhammer 40k faction received a new 10th Edition rules detachments for the Grotmas Calendar, which replaced the Advent Engine in 2024.

Crush your enemies with the Space Wolves Champions of Fenris detachment- get tactical tips, stratagems, and enhancements to dominate Warhammer 40k!

Crush foes with the new Vessels of Wrath Warhammer 40k detachment for World Eaters; boost champions, claim glory, and bring chaos to every battlefield!

Unleash the Black Templars with Zealous Litanies, powerful buffs, and deadly Stratagems in the new Wrathful Procession Detachment for Warhammer 40k!

Unleash the full potential of your army with the new Warhammer 40k Auxiliary Cadre Tau detachments rules, and boost your offensive capabilities.

Enhance your Blood Angels force in Warhammer 40k with the Angelic Inheritors Detachment rules to strike hard, adapt quickly, and embody the legacy of Sanguinius in your battles.

Experience the might of the new Adepta Sororitas Detachment rules in Warhammer 40k, with strategies to manage Miracle dice wisely and empower your Sisters with Righteous buffs.

Experience the power of the new Warhammer 40k Final Day Genestealer Cult Detachment rules, and fight alongside the Tyranids in a chaotic alliance!

Unleash the power of the new Votann detachment Warhammer 40k rules for the Leagues of Votann army, and dominate the battlefield with relentless firepower and strategic precision.

Unleash Chaos Daemons with four unique new Warhammer 40k Detachments for Slaanesh, Nurgle, Khorne, and Tzeentch!

Elevate your Astra Militarum to new heights with the Bridgehead Strike Detachment rules and use focused firepower for maximum impact.

The new Taktikal Brigade 10th Edition 40k detachment rules transform Orks, particularly the Blood Axes, into masters of cunning and flexibility.

Learn how to dominate Warhammer 40k battles with the Aeldari Armoured Warhost Detachment—speed, precision, and devastating firepower in one force!

Unleash Drukhari and Harlequin synergy with Reaper’s Wager, and learn the rules, strategies, and brilliance of this new Warhammer 40K detachment.

Uncover the dark genius of Fabius Bile and the Chaos Space Marines with the powerful new Creations of Bile detachment for Warhammer 40k!

Master the art of psychic warfare with the new Space Marine Librarius Conclave Warhammer 40k Detachment rules for Grotmas!