Planets of Warhammer 40,000 - Badab Primaris: Badab Primaris, officially listed within Imperial astrocartographic databases as Badab II, is a Dead World that was located in the Badab Sector of the Segmentum Ultima and that was once a thriving Hive World before the terrible conflict known as the Badab War scoured it of all life. In 718.M41, a failed coup attempt against Badab's ruling Dominar led to an abortive civil war, and the Astral Claws Space Marine Chapter stepped in and brutally crushed the conflict. Chapter Master Lufgt Huron personally took matters into his own hands and swiftly reimposed order. Assuming the mantle of Planetary Governor, Huron styled himself the "Tyrant of Badab," and laid claim to the inhabited worlds in proximity to the Badab System as his Chapter's feudal demesne. Huron then sent a request to the Adeptus Administratum that the Maelstrom Zone be allowed to stop providing its tithe of resources to the Imperium so that he could refocus those resources on the Maelstrom Warders' efforts to cleanse the Maelstrom of Renegades and Heretics. This request was denied and met instead with increased quota demands. Huron then unilaterally withheld Badab Primaris' planetary tithe to the Imperium and blocked the passage of Imperial trade through his realms. This was intended to protest the Imperium's failure to provide him and his Astartes allies with sufficient resources to police the Maelstrom. Refusing to carry out the Astral Claws' primary role as the defenders of the Imperial worlds within the Maelstrom Zone, the Tyrant diverted the industrial resources and manpower of the Badab Sector that he was no longer providing to the Imperium to directly supplement the Badab Sector's defences as well as to augment the Maelstrom Zone's fleet detachment and to better fortify the key worlds of the sector under his control. The Tyrant ordered the demolition of the ancient citadel of the ruling Dominars of Badab Primaris and instead erected the legendary "Palace of Thorns" to his own specifications and design.The political conflict between the Administratum's right to claim the Imperial tithe and the ancient right of Adeptus Astartes Chapter Masters to defend the Imperium by any means necessary came to be known as the Badab Schism and would last for more than a century and a half. Ultimately, the schism would culminate in the internecine conflict known as the Badab War, a civil war fought between the Chapters of the Maelstrom Warders who sought to secede from the Imperium and those Loyalist Chapters that moved to maintain Imperial unity. After over a dozen years of brutal warfare in the Maelstrom Zone, the Loyalists' final assault on Badab Primaris commenced in early 913.M41 and resulted in the defeat of the Astral Claws. Lufgt Huron fell mortally wounded during the final assault on the Palace of Thorns when he and his elite bodyguard were attacked by a contingent of Star Phantoms Astartes, although his body was borne away by his closest followers and he would return to plague the Imperium once more as the piratical Chaos Lord Huron Blackheart. Taking matters into their own hands during the final assault, the savage Carcharodons Chapter sabotaged the ancient atomic and geo-thermal reactors which powered the hive cities of Badab Primaris and fed its planetary defence batteries with energy. The cascading destruction of the subterranean reactor cores deep beneath Badab's hives took its toll. Tectonic shocks and volcanic eruptions destroyed the surface of the planet, and the majority of the planet's population was exterminated by the blasts and the resulting radioactive fallout within only a few standard days.