Mephiston, Chief Librarian of the Blood Angels, immediately carried out the Primarch's order.
A surge of Psychic Power projected from the powerful Psyker's body, crossing time itself and traversing the chaotic astronomical scales of the Warp, where distances might stretch for trillions of light-years or be no more than a few meters. The psychic projection even stirred waves in the Warp, driving back some malevolent creatures coveting the powerful human Psyker's soul.
In the use of Psychic Power, Mephiston could even wield it without interference beneath the Shadow in the Warp, and use his own power to contend against an entire Tyranid army. He was one of the most powerful human Psykers, far stronger than Tigurius of the Ultramarines Librarius.
Thus, Mephiston deliberately guided his formidable Psychic Power around Tigurius's soul projection and directly sought out Ezekiel, the most psychically gifted son of the Lion of Caliban.
But during the psychic transmission, Mephiston suddenly felt something "invading" his mind.
Though it was an invasion, it carried goodwill. Mephiston did not immediately take countermeasures, for he suspected that this benevolent psychic projection had come from Ezekiel.
Then, within a vast black-and-white space that appeared from nowhere before him, Mephiston saw the figure of an Eldar.
The Eldar held a scepter in one hand and cradled a helmet in the other, his face bearing a confident and elegant smile.
It was Eldrad Ulthuan, the former Farseer of the Uswe Ark World.
"You have directed such immense Psychic Power toward the main fleet. What is your purpose?" Usulan appeared not to speak, yet his voice echoed throughout the entire space and within Mephiston's mind.
Mephiston remained silent.
He knew the Eldar had joined this war and stood on humanity's side.
He also knew that, as someone skilled in Psychic Power within the main