The Citadel of the Autarch (The Book of the New Sun 4) Volume Four of the Book of the New Sun Severian the Torturer continues his epic journey across the lands of Urth, a journey as fraught with peril as it is onder Exiled frouild he is an outcast, but his travels are woven with strange portents The Claw of the Conciliator, relic of a prophet and proe, flareat sword Terminus Est, the Line of Division The dwellers in the deep waters offer hidom under the seas And he is hunted and driven by terrors from beyond Urth Now all his travels rander fate, a destiny that he dare not refuse For a devouring blackness gnaws at the heart of the Old Sun, and the fate of Urth rests in the return of the Conciliator, the New Sun long foretold