Inquisitor Ravenor, possessing powerful psy-powers and practically unlimited authority, puts himself and his battle team on a dangerous brink. In his pursuit of the elusive heretic Zigmund Molokh, he decides to violate direct instructions from his superiors—and worse, his own principles. Ravenor becomes a renegade, and in the eyes of his colleagues he is now barely better than the heretic.
Searching for an answer about Molokh’s whereabouts, Ravenor doesn’t hesitate to turn for help to the Utohr House of Witches, which possesses the mysterious triportal technology. By a miracle, the enterprise doesn’t end with the death of the inquisitor himself and his people. They survive—but what saved them from the claws of the tyranids behind the triportal doors brings death to all of humanity…