Editing Hektor Heresy (section)

===Tisenjoch===
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<center>'''THE MADNESS OF TOLLUND ÖTZTAL'''</center>
[[File:Tollund Ötztal.jpg|right|160px]]
What caused Tollund Ötztal to change so dramatically? Some simply say that he was corrupted by Chaos and leave it at that, while other Inquisitors who have investigated the matter believe that the Primarch's gentle nature was merely a facade. But there is some reason to believe that Tollund Ötztal's mind had split at an early age. Remembrancers who visited Tisenjoch were hard-pressed to square the Primarch's account of coming to the planet with a twin brother with the testimony of local people, who said that the Skyborn was a singular entity. If this is so, Tollund Ötztal's alter-ego was a defence mechanism for the challenges of Tisenjoch that turned into his dominant - and terrifying - personality during the mayhem of the Heresy.
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Before the Voidwatcher's spell was completely woven, Onyx the Indestructible had travelled to far-off Tisenjoch in the Segmentum Pacificus. There, he delivered an ultimatum to [[Tollund Ötztal]], the Primarch of the [[Mastodontii]]. There was no neutrality in the developing war. The Emperor needed all of his loyal Space Marines to destroy the Traitorous Hektor Cincinnatus and his gang of villains. Tollund Ötztal did not reply, and though his Praetorians claimed that the Primarch was deeply troubled by the war between his brothers Onyx was unimpressed. Taking the silence as just a ruse to disguise a treacherous heart, Onyx decided to cripple the Mastodontii before they could act against Terra. The Stone Men dropped onto Tisenjoch almost unopposed while the Mastodontii commanders tried to rouse Ötztal to war.

When Tollund took command, he was a new man. The gentle warrior who had striven to keep collateral damage to a minimum was gone, replaced with a sadistic madman. Despite having to organise his defences in haste, Tollund Ötztal employed depraved tactics to unbalance Onyx. Civilians were used as human shields if they were lucky; the less fortunate callously implanted with explosive devices and used as living booby-traps, and fates of the truly luckless are best not discussed. While the material balance never tipped decisively in Tollund's favour, the Stone Men withdrew from Tisenjoch after three long Terran months, vowing that the Mastodontii would be more trouble for their allies than their enemies. During the course of the campaign the Voidwatcher's Warp Storm had intensified and the Navigators of the Stone Men fleet could barely pick out the light of the Astronomican. Undeterred, Onyx insisted that they plot a course across the Segementum Solar to the Atalantos Worlds.  There, he hoped to rouse [[Arelex Orannis]] and his [[War Scribes]] to the Loyalist cause.

The departure of the Stone Men brought no relief to Tisenjoch. Freed of the distraction of invasion, Tollund carried out a great reorganisation of his forces. Those of his gene-sons who had raised objections or even hesitated to carry out his vicious orders suffered slow deaths. The most demented killers from the battle of Tisenjoch were promoted to head new "hunting groups". Then the Legion turned on the human population, systematically tracking down and torturing to death every man, woman, and child they could find. By the time the Mastodontii boarded their shuttles and lifted into orbit, Tisenjoch had been stripped clean of human life.