Two Primarchs lead the new event reinforcements!

"There will be trials ahead."
– Jaghatai Khan

Reinforcements arrive to bolster the battle for Beta-Garmon. With both sides committing larger and larger numbers of warriors, the stakes are ever-increasing. Can the loyalists delay Horus' invasion of Terra much longer?

The Khan and Horus join the event in an epic clash for the future of the Imperium! Will the Primarchs manage to tip the balance in their faction's favour?