Blood for the Blood God!
From the website:
The Old World lies in ruins, crushed beneath the numberless legions of Archaon the Everchosen and his ratmen allies. Though all seems lost, the embattled survivors cling on to a glimmer of hope that, should their courage hold, there may still be a chance to thwart the machinations of the Chaos Gods and avert the End Times.
Warhammer: Archaon is the fifth instalment of the epic saga of The End Times and is described over two hardback books which are presented together in a sturdy slipcase.
Warhammer: Archaon Book 1 is a 256-page narrative book. Bear witness to the might of Archaon Everchosen and his hordes as they enter the battle that will decide the fate of the world.
Warhammer: Archaon Book 2 is an 80-page rules book that contains Armies of the End Times: new army selection rules to represent the desperate battles fought at the time that Archaon moves to crush the Warhammer world. There are also the Lords of Battle campaign rules and Halting the Apocalypse narrative campaign, 12 scenarios inspired by the narrative, and 9 Battlescrolls detailing armies and formations depicted in the story.
Also included are background and rules for the full range of new Warriors of Chaos miniatures, including the Khorne Wrathmongers, Khorne Skullreapers, and the three ranks of Bloodthirsters – The Bloodthirster of Unfettered Fury, The Bloodthirster of Insensate Rage, and The Wrath of Khorne Bloodthirster. It also includes rules for the following new Incarnates: Balthasar Gelt, Incarnate of Metal, Tyrion, Incarnate of Light, Grimgor, Incarnate of Beasts and Caradryan, Incarnate of Fire. As well as this there are rules and background for Isabella the Accursed and Archaon Everchosen.