Sometime shortly after the destruction of the Necron World Engine and the loss of nearly the entire Astral Knights Chapter, an envoy of the newly-formed Sable Swords Chapter, led by 1st Company Captain Daegan, visited the world of Obsidia to inform the remaining Astral Knights that they were to claim stewardship of their fortress-monastery. The remaining Astral Knights, numbering only thirty Battle-Brothers, were led by the Chapter's last surviving Dreadnought, Brother Thade. Thade, angry at the thought of his proud and noble Chapter being so easily cast aside and replaced with a Chapter so young and inexperienced, nearly came to blows with Daegan, instead demanding what deeds could the Sable Swords offer the remaining Astral Knights. Daegan simply stepped aside, clearing a path from the c