(The alternate fate-line Primarch dialogue uses [], everything else remains unchanged.)
Corax had never seen such... an ugly existence.
A being truly symbiotic with the Warp would not be as discordant and hideous as that thing.
That insectoid monstrosity standing amid the pale mist...
The Primarch narrowed his eyes and stared intently at it. Mortarion, transmitted from the Warp, had clearly revealed his true essence. Even the face Corax could recognize was gone, replaced by a bone-white visage whose lower half had completely transformed into an insect.
[It was only a spar...]
Corax said between heavy breaths. He could feel the bloodthirsty instinct catching up to him again. He wanted to see blood pouring forth, wanted to see heads impaled high into the sky.
Not stand here talking to this jumble of people. Though he had wanted to see this world's Konrad, this Konrad was nothing but a puddle of mud compared to the one from his world.
And he himself had become a weak, cowardly thing in this world.
Corax exhaled a bloody breath. The thick bones of his spine rose and fell with every gasp as he hunched his back and took a slight step backward.
He did not want to get entangled with them.
The instinct-driven raptor thought to himself.
[Who knew this Konrad would be so weak?!]
Corax roared, spreading his bony wings wide. A hurricane surged from beneath them, and Mortarion saw the spikes rising between Corax's wing bones, as well as the heads impaled upon them.
The next moment, Corax climbed into the sky, beat his wings, and immediately flew back toward the battlefield. As though fleeing disaster, he escaped this place and charged back into the battle against the Necrons.
Watching The Night Haunter leave, Corax almost immediately let out a breath