Before Severian leaves, Master Palaemon gives him Terminus Est.

Terminus Est is mentioned several times in the book as being able to be removed from its hilt, and especially after it is destroyed, Severian removes the shards from the hilt and keeps the furniture.

Severian takes meticulous care of the sword, always cleaning, oiling, and sharpening the blade before and after an execution, to the point where he uses Terminus Est to shave with, forgoing a razor.

Terminus Est is eventually destroyed while Severian wields it in battle.

Upon the destruction of Terminus Est, Severian recovers the hilt of the shattered blade, later returning it to Master Palaemon upon his triumphant return to the Citadel at the close of the series.

* Julia Ecklar wrote a filk song on her album Divine Intervention called " Terminus Est " about Severian.

Shortly after leaving the Citadel of Nessus, Severian is caught in a ploy masterminded by Agia and her twin brother Agilus, designed to deprive him of his sword and belongings after he loses a duel to the disguised Agilus.

As the man is dragged out of his home by a mob, Severian glimpses Agia in the crowd, a woman who with her twin brother had tried to swindle and then kill Severian to get his priceless executioner's sword.

Officially, Severian remains a journeyman torturer, to conceal the disgrace he has brought upon the guild.

Luckily, Severian survives the duel on the Sanguinary Fields ( the portion of Nessus set aside for duels ), even after being struck by a poisoned leaf of an avern ( a plant whose viciously sharp, envenomed leaves were used as dueling weapons ) because he is carrying " The Claw of the Conciliator ", which has the ability ( among others ) to revive the dead by folding time back to when the dead person or thing was still alive.

Severian searches for her at the town fair but instead has a conversation with a man whose skin is green, held prisoner in a tent as a sideshow attraction.

Severian has little time to ponder this as he escapes, only to be attacked by Agia and her assassins outside the cave.

The waitress Jolenta tries to have Talos take her with him, but he has no more use for her now that the plays were no longer necessary, and Severian is forced to take her.

Severian, Bishop of Gabala ( d. 408 ), wrote that the Earth is flat and the sun does not pass under it in the night, but " travels through the northern parts as if hidden by a wall ".

This is the case particularly in his Book of the New Sun, the tale of Severian the Torturer's rise to the monarchy in a remote future world that is probably Earth.

* In Gene Wolfe's Book of the New Sun series, the city which Severian, the main character originates from is called " Nessus.

The origin of the name is by corruption of " Symphorian " to " Severian " and then " Saint Veryan ".

An old Severian town, Trubchevsk is first mentioned as Trubetsk in East Slavic manuscripts describing the events of 1164 and 1183, although the locally 975 is regarded as the year of its foundation.

It is wielded by Severian, a torturer and the narrator of the series.

In the Shadow of the Torturer, after Severian is expelled from his guild and the city of Nessus for showing mercy to one of his charges, he is sent north to serve as a carnifex in a different city.

However, Severian interprets the phrase to mean " this is the line of division ," and Typhon translates it as " this is the place of parting.

One of the original Severian towns, Sevsk is known to have been a part of the Principality of Chernigov since 1146.

Having been separated from the rest of the group he was traveling with, Severian pauses his search for them here as he is given an opportunity to practice his art ( in this case, execution ) on two people.

The green man tells Severian he is from the future.

When Severian brings out the Claw its wound is healed.

Stumbling into the gardens of the House Absolute, Severian is reunited with Dorcas, Dr. Talos, and Baldanders, who are preparing to once again perform the play they put on in Nessus in the first book.

It shows dialectal features characteristic of Severian dialect with the exception of two words which were wrongly interpreted by early 19th century German scholars as Polish loan words.

It was mentioned as one of Severian towns by Prince Igor in The Tale of Igor's Campaign: " As to my Kurskers, they are famous knights — swaddled under war-horns, nursed under helmets, fed from the point of the lance ; to them the trails are familiar, to them the ravines are known, the bows they have are strung tight, the quivers, unclosed, the sabers, sharpened ; themselves, like gray wolves, they lope in the field, seeking for themselves honor, and for their prince, glory.

The town itself was first mentioned the following year in a document issued by Kaributas, Prince of Severian Novgorod, who on December 16 assured his tributary fidelity to his cousin, King Jogaila and Jadwiga of Poland.

First noticed by chroniclers as a Severian town in 1152, Hlukhiv became the seat of a branch of the princely house of Chernigov following the Mongol invasion of Rus.

Following the Bolshevik Revolution, the Severian lands, full of Southern Russian ( Ukrainian ) architecture, and populated by a mixture of Ukrainians and Russians, were divided between the Ukrainian and Russian Soviet republics, finally breaking up the land of the former Severians.

Severian takes pity on him and gives him a piece of his whetstone so that he can free himself by grinding through his chains, thus recalling his mercy to Thecla, another prisoner, in the first book.

Severian lets Agia go and returns to Saltus, where he and Jonas are taken by Vodalus.

During the Severian persecutions of 202 – 203, Clement left Alexandria.

Diodorus, Severian, and Cosmas Indicopleustes, but also Chrysostom, belonged just to this latter tradition.

It was the northernmost of the Severian cities in the possession of the Chernigov Rurikids and the principality of Novgorod-Seversky.

It was the northernmost of the Severian cities in the possession of the Chernigov Rurikids.

* Cyriacus, a Severian Monophysite.

When the war broke out between Vytautas and his Muscovite son-in-law in 1408, Švitrigaila cast his lot with the latter, surrendering all the Severian towns to the Russian army and defecting to Moscow.

A collection also exists in Armenian, combined with some sermons of Severian of Gabala.

By the time of Yaroslav the Wise ( 1019 – 1054 ), the Severian peoples had lost most of their distinctness, and the areas of Severia along the upper course of the Desna River came to be controlled from Chernihiv.

In 1096, Oleg I of Chernigov ( also referred to as Oleh ) created a large Severian Principality, which stretched as far as the upper reaches of the Oka River.

After the Lithuanian defeat at the Battle of Vedrosha, the Severian Principality passed to Moscow.

The tetralogy chronicles the journey and ascent to power of Severian, a disgraced journeyman torturer who becomes Autarch, the one ruler of the free world.