Merek Grimaldus - Helsreach: After a standard century of faithful service, Grimaldus was elevated to the esteemed role of reclusiarch of the Chapter and accompanied High Marshal Helbrecht to the war-torn world of Armageddon in 998.M41, to stop a massive invasion of that strategic Hive World by the Ork Warlord Ghazghkull Mag Uruk Thraka.Three Black Templars Crusades were despatched to Armageddon and, under the direction of the High Marshal, deployed in the areas where the fighting was thickest. Grimaldus was charged by his Chapter Master to lead one of these Crusades to Hive Helsreach.Grimaldus' forces were supported by the 101st Armageddon Steel Legion Regiment of the Astra Militarum and Titans of the Legio Invigilata. Before the battle started, The Purest Intent, a derelict Space Marine Strike Cruiser from the extinct Shadow Wolves Chapter that had been recovered by the Orks, was badly damaged by Armageddon’s orbital defences after it drifted dangerously close to the planet and crash-landed just outside the hive city of Helsreach.The Black Templars investigated the wreckage of the once-proud vessel and performed the distasteful duty of eradicating any Ork survivors. They performed their duty flawlessly, though it left a bad taste in their mouths -- though it inspired confidence and lit the fires of faith in the mortal defenders of Helsreach. Their duty done, the Black Templars pulled their forces back into the walls of the hive city.Soon Helsreach found itself besieged by thousands of Orks who swarmed the hive from a vast fleet of submersibles launched from the icy Deadlands far to the south. One of the main bastions of resistance was centred upon the Temple of the Emperor Ascendant, a vast basilica that had stood on Armageddon since the earliest days of human colonisation.A great horde of Orks attacked the temple and, for nearly two solar months, the defenders held the Orks at bay before the Greenskins finally penetrated the temple precincts, looting and destroying priceless holy relics in equal measure.The hive militias and Imperial Guard units fled, but the Black Templars would not yield, as Grimaldus bellowed defiantly, "I have dug my grave in this place and I will either triumph or I will die!"Such heroism hardened the hearts of the fleeing Imperial defenders and they turned and fell upon the Orks. The battle degenerated into a bloody melee in the heart of the building that was only ended when the entire structure collapsed in a maelstrom of rubble and fire.All were feared lost, but a day later the bloody, but unbowed, form of Chaplain Grimaldus crawled from the ruins, bearing the last Imperial relics of the temple and vowing that all would remember the lives that had been lost in the defence of Armageddon.A retinue of three Cenobyte Servitors -- augmetic servants, vat-grown by the Chapter’s Apothecaries -- emerged alongside Grimaldus, hauling the temple's precious artefacts. These Servitors carried the last surviving relics of Hive Helsreach's Temple of the Emperor Ascendant: a column from the Major Altar, the remains of the Banner of the Emperor Victorious and blessed water from the Stoup of Elucidation.These were the most precious holy items of Armageddon's faithful, for they were the peoples' by right and legacy of blood. The Chapter's Apothecaries who later treated Grimaldus' wounds exclaimed that it was a miracle that he still lived, let alone had the strength to climb from the rubble of a destroyed building. Upon commencement of the planet's Season of Fire, Grimaldus was gifted with the title, "Hero of Helsreach."