Know No Fear

In the midst of the growing Heresy, Roboute Guilliman returns to Ultramar, tasked with preparing his Legion for combat against an ork threat in the Veridian system. However, their supposed allies, the Word Bearers Legion, unleash a catastrophic invasion of Calth, scattering the Ultramarines and igniting a fierce and deadly conflict. As Guilliman confronts the encroaching forces of Chaos, he faces the grim reality of a rivalry with Lorgar that may end in devastation for both sides.