Hand of Darkness

Yvraine went straight as a rod at the presence of a Primarch. Even carried by the crude psychic broadcast of the humans and the filter of Eldrad Ulthran's runes, the nascent majesty of Roboute Guilliman pulsed across the aetheric connection, bring with it another sensation: The cold of death, the stillness of graves.

The former seer knew well the touch of Ynnead, her Master, the Aeldari God of the Dead and Patron of her growing kindred, the Ynnari. From her time upon the Path of the Seer, she understood the complexity and power of Eldrad's communion. Though it was his mind that directed the power, he acted only as a focus, drawing on the psychic abilities of several other seers. With their thoughts bound through his will, Eldrad tapped into the Webway, and from that star-spanning network into the Eternal Matrix. The seers minds leapt forth into the faltering stream, and rebounding echoes of the psychic beacon the humans called The Astronomicon.