Shadow & claw

"The Shadow of the Torturer is the tale of young Severian, an apprentice in the Guild of Torturers on the world called Urth, exiled for committing the ultimate sin of his profession -- showing mercy toward his victim. The Claw of the Conciliator continues the saga of Severian, banished from his home, as he undertakes a mythic quest to discover the awesome power of an ancient relic, and learn the truth about his hidden destiny"--Amazon.com.