The Drukhari Wych Cult bound to the service of the Kabal of the Dying Sun along with a contingent of hired blades have infiltrated a Death Guard facility. Here, the Death Guard have hooked up a plague engine which is pumping vile contagion into a webway gate. The Cult seeks to destroy the Death Guard and cleanse the gate.
Check out the Masters of the Forge Rules Supplements & Materials page for additional, homebrew narrative rules you can use in your campaign or event!
