Meanwhile, aboard the Craftworld Aeldari flagship.
Prophet Khaeltok stood in his Hall of the Infinity Circuit. Before him, wraithbone runes flashed and rearranged themselves frantically, faster than ever before.
"I saw... a new thread of fate..." Khaeltok's face was pale, his voice filled with awe and bewilderment.
"It belongs neither to us, nor to humanity, nor to Chaos. It belongs to him alone."
"It is a burning flame. A Primordial Fire powerful enough to reforge the fate of the entire galaxy."
"He is both hope and destruction. He is an enormous, unpredictable variable. He is burning through all those tangled, hopelessly knotted threads of fate in the crudest way possible."
"Quilanas," he said, turning to the Spiritseer beside him, "tell Commander Lhaelorl to suspend all our plans for now. We must observe. Quietly observe."
When Horus returned to the surface from underground, he was greeted by earth-shaking artillery fire and a towering green tide.
This was the northern hemisphere of Vigilus, the main battlefield against the Ork WAAAGH!.
He stood atop a half-demolished fortress, surveying the battlefield below.
There were even more Orks than he had imagined. The green ocean stretched as far as the eye could see, seemingly endless. Countless crude yet deadly War Machines spat flames of death at the Imperium's defensive lines amid the shrill howls of Ork Mekboys.
At the very rear of the Ork formation, three mountain-sized shapes stood out.
One was a Gargant under construction, a hundred meters tall. Beside it stood an Ork clad in a suit of super-heavy Power Armour almost the size of a truck, fashioned from Gargant armour plates. This was Kroodaka "the Beast," the supreme leader of this WAAAGH!.
Another was a "Big Tank," several times larger than a Doomblade super-heavy tank, pieced together from countless tank wrecks and