Chapter 1:

 The Talvir Cluster has been a main sector of supplies and provisions for Clan Nachtmore of the Iron Hands chapter of the Adeptus Astartes. Under the direction of Iron Father Roancoro Divelius, this sector has thrived under his leadership, and many developments have benefitted the chapter. Now, with new events happening across the galaxy, the Talvir Cluster too has been affected by them. Reports came to Iron Father Divelius, that the Machine Spirits in the cluster have grown rebellious and discontent with their current “prisons”. These concerning reports made the Iron Father personally examine what has happening to his allies and brothers. All we know about the situation in Divelius claims things were fine, but fearing the worst, others have sent in their own forces to examine what's happening. But which side are those forces on?...