"Tell me, brother, do you now understand what true pain feels like?"
Mortarion looked down from above at Roboute Guilliman, who had been brought down by God's Plague. His tone brimmed with naked, undisguised arrogance and contempt.
Long before Horus launched his rebellion, he had already found Guilliman unpleasant to look at.
Though Guilliman was not the one he hated or despised the most, he could still rank somewhere in the top three.
Therefore, now that he believed victory was secured, Mortarion did not swiftly finish Guilliman off and drag him back to the Garden of Nurgle in the Warp. Instead, he assumed the posture of a cat toying with a mouse.
It was easy to tell from his expression and tone that he greatly enjoyed the process. He had even deliberately weakened the plague's toxicity with his own power so Guilliman could remain half-dead and savor even more pain.
Of course, it was also possible that Mortarion himself had once been unable to endure the ceaseless torment of Warp plagues and had ultimately thrown himself into Nurgle's embrace. Perhaps now he wanted loyalist Guilliman to make the same choice under similar circumstances.
That way, the Daemon Primarch could prove that he had been the one with foresight.
Unfortunately, the Imperial Regent's willpower was far tougher than Mortarion had imagined. Even as large portions of his body blackened and festered, and countless Warp-born daemon maggots sprouted from nowhere to devour his organs, he did not make the slightest sound, much less beg for mercy.
Roboute Guilliman merely raised his head and stared at his opponent with bloodshot eyes, desperately trying to pick up the Emperor's Sword that had fallen to the ground. Yet after several attempts, he still failed.
The effects of God's Plague were even more terrifying than he