User blog comment:Vivaporius/AT Idea: Imperial Civil War/@comment-2253300-20120407031354/@comment-3398633-20120407173305

He doesn't fuel it, he directs it. Those thousands of psykers around the Astronomican, they fuel it. A testitoment to the Emperor's power was the fact that in life, he directed the starships of humanity without the aid of the Astronomican.