Event reinforcements: will might make right in the current event?

"Battle calls, we answer."
– Khârn

The battle rages on, with new Warlords joining the fray! Khârn and Drakus Gorod raise their arms against their supposed brother Legions. Will might make right in the Primarchal bout? Which side will you join?

Join the fight in the current event and test the new Ultramarines in battle!