Sir Persant of Inde is the fourth and final one of the four brothers encountered by Sir Gareth while Gareth travels with Dame Lynette towards Castle Dangerous. His brothers are Sir Percard, the Black Knight; Sir Pertolepe, the Green Knight; and Sir Perimones, the Red Knight who is commonly distinguished in later summaries as the Puce Knight.

Persant is introduced as the lord of a rich and fair city. Between the travellers and the city lies a newly mown meadow filled with pavilions. Malory states that Persant enjoys holding jousts, tournaments and every kind of game suitable for gentlemen, with approximately five hundred knights and men-at-arms gathered around him.

The visual identity of Persant’s camp is the colour of Inde. His pavilion, attendants, horses, horse trappings, shields and spears are all described in that colour. Inde is generally represented in modern retellings as indigo or deep blue, which gives Persant his common title of the Blue Knight.

Despite this colour description, Malory does not provide a biography placing Persant in India or identifying him as an eastern warrior. His title “of Inde” is closely connected to the colour used throughout his pavilion and equipment. It is therefore safer to describe him through that colour identity rather than assigning him an unsupported eastern homeland.

Persant is the last of the perilous encounters before the siege, which is only seven miles away. By this stage, Lynette has finally begun to recognise Gareth’s courage and noble behaviour. She warns him that Persant is an exceptionally powerful and renowned knight, although she also says that even he is not as dangerous as the Red Knight besieging her sister.

When Persant sees Gareth waiting in the field, he sends a messenger to ask whether Gareth has come in war or peace. Gareth replies that Persant may choose for himself. Persant accepts the challenge and rides out to fight him personally rather than sending any of his many followers.

The two knights meet at full speed and shatter their spears into pieces. Their horses crash together so violently that both animals die. Gareth and Persant rise, draw their swords and continue fighting on foot.

The battle lasts for more than two hours. Both shields and coats of mail are badly cut, and both men suffer numerous wounds. Gareth eventually strikes Persant through the side, but Persant continues defending himself for some time. Gareth finally delivers a blow to his helmet that drives him face-first to the ground and prepares to kill him.

Persant yields and asks for mercy. Lynette also asks Gareth to spare him, declaring that it would be a pity for such a noble knight to die. Gareth agrees.

Persant then names the three brothers Gareth has already defeated: Percard the Black Knight, Pertolepe the Green Knight and Perimones the Red Knight. Recognising that Gareth has overcome all four brothers, Persant offers him homage, loyalty and the permanent service of one hundred knights.

Persant takes Gareth and Lynette to his pavilion, where he gives them wine, spices, supper and a place to rest. The following morning he learns that they are travelling to confront the Red Knight of the Red Launds at Castle Dangerous.

Persant warns Gareth that Sir Ironside is the most perilous living knight he knows, is without mercy and is said to possess the strength of seven men. He explains that Ironside has maintained the siege for nearly two years, deliberately prolonging it in the hope that Sir Lancelot, Sir Tristram, Sir Lamorak or Sir Gawain will eventually come to fight him.

Lynette asks Persant to knight Beaumains before the coming battle, but Gareth reveals that Sir Lancelot has already given him knighthood. He then entrusts Persant and Lynette with his secret: his true name is Gareth of Orkney, the son of King Lot and Queen Morgause, the nephew of King Arthur and the younger brother of Gawain, Agravaine and Gaheris.

Persant promises not to reveal Gareth’s identity until Gareth permits it. He then accompanies Gareth and Lynette part of the way towards a hermitage where they can eat and recover before confronting Ironside.

Persant later presents himself and one hundred knights to King Arthur. At Gareth’s wedding to Dame Lionesse, he again arrives with one hundred knights, performs homage and asks to act as the sewer-chief, the medieval officer responsible for arranging and serving the courses of the feast. This can be expressed in modern language as chief server. King Arthur then makes Persant and his two surviving brothers Knights of the Round Table.

Persant continues appearing among Arthur’s knights. He is later one of the ten knights chosen to accompany Queen Guinevere when she rides out for Maying and fights strongly against Sir Meliagrance’s attacking force.