1.158.999.M41 Inquisitor Lord Xemplaarmentaarius establishes the fortress monastry on Carpathia; Ultra Silvam would remain an effective shield against the rogue Xenos elements that inhabited the surface, Death Watch sorties would from time to time reclaim territories  only for the Xenos counter offensive to push the human aggressors back to the security of the Void gate .   After several long months of cat and mouse, the Imperial forces eventually gained a beach head in the subterranean labyrinth, this allowed for the permanent reinforcement of the Carpathian crust by Imperial Guard regiments under the company of Colonel Usar Ganamedes Varak.  Colonel Varak was hand picked by the Council of Terra to purge this world and return it to the Emperors fold.