They were noted to have been reduced to almost half strength at the time. In M41, the Consecrators answered Supreme Grand Master Azrael's summons to the site of destroyed Caliban, where they joined the Dark Angels and Knights of the Crimson Order Chapters in battle with Chaos Space Marines led by Typhus. As Shedu is the only life-sustaining world in the Drift, it is unknown what happened to them. Their Strike Cruiser Heritor of Ages while en route to Shedu was ambushed by the Ork Kill Kroozer Growler, which eventually resulted in the abandonment of the Heritor. Their initial deployment, with the 3rd company and elements from the 1st and 10th, was in 801.

The Chapter involvement in the Achilus Crusade has been focused on the Slinnar Drift. They were again absent from recorded history until three decades later when the chapter's 4th company was seen fighting alongside the Dark Angels at the Arrulas Intervention. The chapter was first recorded in the works of the Administratum field notary Corwen Quilp, where at the height of the Second Kuppukin Schism, the entire Chapter appeared to annihilate the entire rebel force over six hours before vanishing once more. Whether driven by vanity, spite or a longing for things lost, the Consecrators ensure these Fallen pay the ultimate price for their indiscretion.

Once the Fallen are aware of the relics, some try to claim these treasures against their better judgement. The Consecrators use these relics in their hunt for Fallen Angels, by planting them in closely monitored locations and waiting for the relics' presence to become known. They are known to have sent several missions into the ruins of Caliban in their quest for ancient heirlooms of the Legion.

Most of their wargear are ancient relics, taken from rediscovered Legiones Astartes depots and armouries. They have their own agenda and soon disappear after their mysterious objectives are complete.

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