After their barge burns in a suspected act of sabotage, the companions secure repairs, deposit a dangerous Chaos stone in a bank, and accept a mysterious delivery to Middenheim, returning to Altdorf with the arsonist still unidentified.
The crew’s inquiries and social triumphs in Kemperbad end abruptly when they return from the Blüchers’ anniversary celebration to find the Dandy Fräulein ravaged by a suspicious fire.
With the Dandy Fräulein barely afloat and Imperial scrutiny gathering around Castle Wittgenstein, the party must carry its wounded and its most dangerous secret downriver to Kemperbad.
The companions escaped the collapsing Castle Wittgenstein with its treasure and a dangerous Warpstone relic, surviving ratmen, sorcery, a river disaster, and the fortress’s final destruction before limping toward Kemperbad with new wounds and darker burdens.
The companions push deeper into Castle Wittgenstein, slaying its mistress and a Chaos champion before becoming trapped between her stitched monster, a swarm of ratmen, and the corrupting fragment of Morslieb they have come to claim.
The party descends through Wittgenstein’s rotten underbelly, rescues Aubrey and the imprisoned villagers, reclaims their escape route, discovers their stolen gold has been taken upstairs, and creeps toward Lady Marguerite’s chambers only to find a scorched minotaur corpse and the armored Chaos champion Ulfrin stalking from the dark.
After surviving the daemon in the burning temple, the company retreats deeper into the cursed castle, bluffs their way past grotesque servants, finds tortured prisoners in the dungeon, and prepares to murder the dreaded Slagdog in his sleep.
As a storm gathers over Castle Wittgenstein and a green moon rises overhead, the companions interrupt a depraved Chaos ritual in a desecrated temple, battle savage Beastmen amid purple corruption, and ultimately discover that a daemon of Slaanesh has been orchestrating the horrors within.
The adventurers storm a corrupted castle, seal themselves within its inner sanctum, and press deeper through grotesque horrors toward the sinister heart of its decay.
The company storms the gatehouse and nearby barracks in a bid for stealth, but missed strikes and desperate escapes trigger a spreading alarm as their violent advance through the castle begins to unravel.