The Thousand Sons

His flesh was no longer his to call his own. Utipa’s presence filled him, its hateful relish and patient malice unlocking the rampant potential locked in his genetic makeup. A wild and untamed transformative power that had lain dormant and contained within him was now given a free rein, unleashing nearly two centuries of change in as many minutes.
In Valdor’s eyes, Phosis T’kar saw what he and the Legion had become, and knew then that this fate had always been theirs. Valdor came at him with his Guardian Spear aimed at his heart, and Phosis T’kar finally understood why his primarch had chosen not to fight.
“Monster!” cried Valdor, driving the spear into his mutant flesh.
“I know,” said Phosis T’kar sadly, dropping his weapons and closing his eyes.
The golden blade clove his heart, and death was a welcome release.