In this 96-page hardback book you'll find:

– The ongoing narrative of Warhammer 40000 focusing on the ambitions of a new and powerful Chaos Daemon
– Stunning photography of individual models and stirring scenes of battle illustrating the forces fighting over the Rock
– Additional rules for using six factions in Boarding Actions – Adeptus Mechanicus Death Guard Chaos Daemons Genestealer Cults Tyranids and Necrons
– Terrain component rules for Boarding Actions detailing the effects of searchlights and camera networks sentry turrets and breaching robots
– Eight new Boarding Actions missions plus a system for linking your games together into a Rock Besieged campaign
– Datasheets for Vashtorr the Arkifane master of the Soul Forges and Grand Master Azrael reborn leader of the Dark Angels

With this book you will also receive a code to unlock Arks of Omen: Vashtorr content in Warhammer 40000: The App.

You will need a copy of the Warhammer 40000 Core Rules and Arks of Omen: Abaddon to use the contents of this book.