In this 128-page hardback book, you'll find:

The ongoing narrative of Warhammer 40,000, with galaxy-shaking implications for the Imperium as the Lion and his sons battle to foil Vashtorr's designs
An inspiring showcase of photography and battle scenes, featuring the armies fighting on the planet of Wyrmwood
Additional rules for using four factions in Boarding Actions Leagues of Votann, Thousand Sons, Adeptus Custodes, and Agents of the Imperium
Rules for playing dramatic Dread Encounters that reshape the very battlefield and recreate climatic moments from the Arks of Omen saga
Rules for explosive Breaching Operation missions that use Killzone: Soulshackle terrain components, as your forces blast through walls and jam hatchways
Datasheets for Lion ElJonson, Commander Dante, Navis Imperialis units, and Adeptus Arbites squads

With this book, you will also receive a code to unlockArks of Omen: The Lioncontent in Warhammer 40,000: The App.

You will need a copy of the Warhammer 40,000 Core Rules andArks of Omen: Abaddonto use the contents of this book.