"That is... a question with a very long answer." The giant admitted. "What we studied is a phenomenon that has permeated all of human history. An... overlapping dimension, if you will, one composed of pure consciousness. Abstract concepts and potential. It allows certain humans to tap into it and manifest itself as various forms of powers. We call it the Great Ocean, though others call it the Immaterium, or the Warp. In short, what may be thought of as supernatural phenomena by less enlightened cultures, such as magic, spirits of the dead... daemons... these are all manifestations of the Warp. The Thousand Sons, a legion of warrior-scholars in service of a great leader of mankind in my time, those who watched over Prospero, gave themselves over to the study of the Great Ocean, and the understanding, and mastery of its use. Given time, it could have been used to elevate mankind to unimaginable heights. To their rightful place. Our feral fellow legionaries however... our conservative, fearful, hypocritical, [blind former brothers... well, they disagreed. And now, so much has been lost... we, have lost so much..." The giant bowed his head, and gripped his bladed hequa staff tightly. Slowly, he willed himself back to calm.
"I have set about finding a way to undo some of the damage done to my true brothers." He announced. "My name is Ahzek Ahriman. Grand Librarian, leader of the Corvidae cult, and Captain of the First Fellowship of the XVth Legion. The Thousand Sons." His face softened just a fraction, as reciting his titles seemed to kindle an old pride that had lain dormant for a while. "We are well met, Miss..."