As the War for the Realm of Life continues, Lord-Castellant Lorrus Grymn leads the battered remnants of the Steel Souls warrior chamber against the sargasso-citadels of the Verdant Bay. The Hallowed Knights claim victory, but at a terrible cost - Grymn is lost to Realm of Chaos. Now Gardus, newly reforged and fresh from the destruction of the Scabrous Sprawl, must lead his warriors into the foetid heart of Nurgle's realm in search of the Lord-Castellant, where they must once more brave the horrors of the Realm of Decay....

The Realm of Beasts has ever been a place of savagery and destruction, defiant in the face of Sigmar's feeble attempts at liberation. But now, deep within the mountains of the Ghurish Heartlands, something ancient stirs. A god long-trapped is about to awaken, and the drumbeat of war calls. Ferocious Ironjawz, gluttonous Ogors and towering gargants all set their sights on the human interlopers, determined to cast down their keeps.

When calamity befalls their home, Gunnar Brand must step up to lead his tribe, embarking on a grim and perilous exodus through a Realm of Fire ravaged by war. Haunted by an unfulfilled oath, his duties as chieftain soon conflict with his deep-rooted sense of destiny, and he discovers that the attentions of the Dark Gods are not so easily ignored.

Deep in the wilds of Ghyran, a former warrior priest preaches for humanity to reject the gods. The sole survivor of a massacred Dawnbringer Crusade, Amara Fidellus believes that Sigmar has betrayed her – and when she faces execution for such blasphemy, it’s only the intervention of a drunken, taciturn and incredibly violent Slayer that saves her life. Now bound to Gotrek Gurnisson by a life-debt, Amara finds herself caught up in his quest for revenge.

For Ianthe, war is all too familiar. A former soldier in the Astra Militarum, she now serves Inquisitor Covenant as an agent of the Throne. Her first mission sees her investigating a cult called the Children of Eternity. Falling foul of the local Enforcers, Ianthe soon learns that war in the shadows is seldom straightforward and that the local, angry law-keepers are the least of her troubles.

Cado Ezechiar is a wanderer who has outlived the memory of the age that made him. A Soulblight vampire who accepted the curse as his people and kingdom fell to Chaos, he now roams the Realm of Death and beyond seeking retribution and salvation for the ones he failed. Aided by the bound spirits of those he lost, Cado follows a path of revenge, hunting the servants of Chaos to slake his need for blood while seeking the Sorcerer of Change who destroyed his kingdom.

A great darkness has befallen the galaxy, and the armies of Chaos are rampant. To survive, humanity must retaliate and take back what they have lost. By the will of the reborn primarch, Roboute Guilliman, is the Indomitus Crusade launched - a military undertaking that eclipses all others in known history. From the Throneworld of Terra does the Avenging Son hurl his fleets, their mission the very salvation of mankind.

On the prison world of Zartak, darkness has fallen on arbitrators and inmates alike. The Night Lords have come, bringing with them the shadow of fear and pain. But these monsters are not the only ones with an interest in Zartak. From the void, running on silent, another fleet emerges. These Space Marine warriors are grey-clad and white-faced, and their eyes are as black as the Outer Dark – the savage Carcharodon Astra.

The fortress world of Regium has a proud history, For millennia, it has endured when others have fallen to ruin and damnation, standing defiant in defence of the Imperium of Man. But now it is shaken. Parasitic plagues run rampant, and Regium's citizens are haunted by dreams of horrific monsters feasting upon their flesh and marrow. Lieutenant Castamon of the Ultramarines recognises these signs of an impending Tyranid invasion all too well. Rallying his warriors, the battle-hardened veteran launches a strike force to slaughter the xenos in the outer system, before it can reach Regium.

It is said that all who live belong ultimately to the Undying King. In the shadowy lands of Shyish, Nagash, God of Death, calls forth his soulless legions to reassert his dominion. His dread advance begins with the free city of Glymmsforge, bastion of Azyr in the Realm of Death. Standing between Nagash and his prize are the brooding Anvils of the Heldenhammer, an ancient host of Stormcast Eternals, and Lord-Castellant Pharus Thaum, guardian of the Ten Thousand Tombs. As battles between the living and the dead rage throughout the Mortal Realms, the War of Heaven and Death begins anew.