The traitor's latest onslaught threatens to shake the very foundations of the hive if you don't get down there and stop them. Wyrmwood agents report unprecedented destruction, with hordes of ogryn conscripts, massive explosions and numerous sightings of giant, monstrous creatures.
To make progress in the event, complete missions with the Rumbling Giants condition.
This event is LIVE NOW until March 17. The rewards will be Ordo dockets, Plasteel and Diamantine. Those who complete the last tier of the event will receive a cosmetic insignia.