No amount of words could match the shock of seeing it laid bare.
As an outsider, and with the aid of the Webway, Uslan had successfully gathered numerous historical scenes from the Great Heresy onward.
Before this moment, however, they had merely been descriptions in intelligence reports—hollow accounts lacking any sense of reality.
Even Guilliman and Sanguinius had not known, until today, exactly why Horus had fallen.
Their guess had been that Horus resented being excluded from the Emperor's central authority, and resented even more that the Emperor favored mortals over him. Coupled with the Warp's Chaos temptations, it had driven Horus into rebellion.
Horus had been the first-found son. The Emperor had kept him by his side, teaching and guiding him, carefully nurturing him for nearly thirty years. He had even called Horus his Sagittarius, placing expectations and affection upon him far beyond those he showed his other sons.
It could be said that the Wolf Lord had been the Emperor's most cherished child. Correspondingly, the Wolf Lord's love and reverence for the Emperor had surpassed that of his other brothers. His betrayal had been utterly incomprehensible.
Yet the images Uslan showed now revealed that Eugene Temba, the mortal governor of Davin, had wounded Horus with the Anathame blade, infused with the Warp's evil power through Chaos corruption, causing his fall.
"There was a flaw in Horus's heart. He was not perfect. He had his own hatred and greed, and that laid the seeds for his fall and the Warp's corruption."
"In my view, however, the greater responsibility lay with his foolish sons. After Horus was wounded and fell into a coma, they listened to the instigation of a Word Bearer named Erebus and sent him into the temple on Davin," Uslan said.
He had seen that scene before,