While Erebus performs a ritual on the surface of Calth, the Word Bearers take over the planet’s defence grid and turn all orbital platforms against the system’s sun. When all feels lost, Guilliman leads an assault to take back his defences, but Kor Phaeron is guarding them, and brings a powerful weapon to stop the Primarch…

Play this event to make a game-changing decision for the Word Bearers!