Arthur is the newly crowned king of Logres, tasked with uniting a divided Britain. Raised in secret by a foster family, he readily accepts his divine destiny upon drawing the sword from the stone. He rules from Camelot with a strict code of honor and equality, treating people of all ranks with respect. He enjoys hearing tales of his knights' adventures and willingly throws himself into battles to defend their honor.

Launcelot is a broad-shouldered, golden-haired knight from Wales. Raised in Avalon by Nimue, he possesses mysterious healing abilities and unmatched combat skills. He holds the title of the most famous knight in Logres, completing ceaseless adventures without waiting for thanks. His intense, secret affection for the queen increasingly dominates his thoughts.

Gawain is Arthur's nephew and one of his earliest knights. He carries a shield painted with the five-pointed star of Logres. Early in his knighthood, his lack of mercy results in tragedy, prompting him to swear a strict oath to always spare those who ask for mercy and to defend women. He frequently steps forward to answer strange challenges on Arthur's behalf.

Percivale is a pure-hearted young man raised entirely in the forest, far from society. He initially wears goat skins and uses a long dart to defeat his first opponent. Though he is simple, honest, and upright, his early eagerness for glory makes him foolish and proud until he learns to ask for spiritual guidance.

Merlin is a famous enchanter from the valleys of North Wales. He guides Arthur's ascension to the throne and frequently speaks prophecies outlining the future of Logres. His holy arts help establish the nation's peace, and his advice prevents unnecessary deaths early in the king's reign.

Morgana is Arthur's half-sister and a student of dark magic. She repeatedly attempts to kill Arthur and destroy his kingdom out of jealousy and malice. Beautiful but cruel, she uses false promises of love and elaborate illusions to manipulate good knights into doing evil deeds for her.

Mordred is Morgana's son and a Knight of the Round Table who hides his rebellious intentions. He is deeply envious, opportunistic, and hates all good things. He waits for moments of weakness in Camelot to spread lies, cause division, and attempt to usurp control of the kingdom.

Galahad is a young, physically perfect knight raised in an abbey by holy men and women. He wears dark red armor and carries a white shield marked with a red cross. As the only knight capable of sitting in the Siege Perilous without dying, he represents the absolute perfection of knighthood and is destined to complete the quest for the Holy Grail.

Guinevere is the daughter of King Leodegraunce and Arthur's wife. Renowned as the fairest maiden in the world, she inspires great devotion from the knights of Camelot. Despite her public position as queen, she struggles with intense feelings of jealousy and a growing attachment to one of Arthur's closest companions.

Nimue is a fair sorceress from the Isle of Avalon who plays an enchanted harp. She replaces Merlin as Arthur's primary mystical protector. Rather than staying at court, she wanders the forests, using her holy arts to heal knights, weaken opponents, and spin protective enchantments.

Tristram is a nobleman from Lyonesse who acts as a trusted councilor to King Mark of Cornwall. He is highly skilled in both combat and the arts. His life becomes defined by an intense, tragic love for an Irish princess after they accidentally consume a magic potion together, forcing him to balance his honor with his overwhelming feelings.

Kay is Arthur's foster brother and the seneschal of the court. He is rude, haughty, and prone to mocking new arrivals. Despite his high position, he is not a skilled fighter and frequently loses duels when other knights seek revenge for his cruel insults.

Pelles is the lord of the mysterious Castle Carbonek and a descendant of Joseph of Arimathea. He suffers from a cursed wound, earning him the title of the Maimed King. He waits in his castle for the prophesied Grail Knight to arrive and finally heal him.

Elaine is the daughter of King Pelles. Desperate and impatient in her affections, she seeks out a sorceress to use an illusion to secure the attention of the man she loves. Her deceit has profound consequences for the knight's honor and mental state.

Blanchefleur is a Grail Maiden who dresses in white and dwells in Castle Carbonek. She reciprocates the innocent affection of the young knight who visits her, standing as a symbol of pure love and holy duty.

Naciens is an ancient holy man with a long white beard who resides at Castle Carbonek. He acts as a spiritual guide for the knights, hearing their confessions, teaching them piety, and directing them on the path toward divine destiny.

Bors is a humble knight who undertakes the holy quest alongside his peers. He learns proper piety and virtuousness from a hermit. When faced with impossible choices between conflicting duties, he relies on prayer rather than impulse to guide his actions.

Geraint begins as an unproven squire but earns his knighthood through fierce loyalty and endurance. When his fiancé questions his status, he undertakes a dangerous journey to prove his bravery, enduring silent scorn and multiple physical attacks to protect her.

Enid is the daughter of a displaced duke who becomes engaged to a squire. Her anger over her partner's lack of formal knighthood forces them onto a dangerous journey. She travels in forced silence ahead of him, repeatedly breaking the rule only to warn him of impending ambushes.

Gareth is a knight who intentionally hides his royal lineage by working as a kitchen servant. Enduring a year of mockery, he finally requests a quest to prove his valor through deeds rather than his name. He demonstrates immense patience and mercy during his travels.

Balyn is an unassuming knight whose refusal to surrender a stolen sword seals his tragic fate. His impulsive violence frequently causes massive collateral damage, even when he intends to perform noble deeds to regain the king's favor.

Pellinore is a formidable early rival to the king who breaks Excalibur in a duel. He later becomes one of the court's most honored knights. In his eagerness for adventure, he once ignores a crying woman on the road, learning a devastating personal lesson about prioritizing compassion over glory.

Linnet is a noblewoman who judges others strictly by their appearance and social rank. She spends a quest hurling insults at her assigned champion, assuming his victories are mere tricks, before finally realizing his true virtue and apologizing.

Iseult is a beautiful Irish princess betrothed in a political match to secure peace. Her life changes drastically when she mistakenly drinks a love potion intended for her wedding day, binding her heart permanently to the knight who escorts her.

Ector is a noble knight entrusted by a wizard to raise a royal infant in secret. He provides the boy with a humble but loving upbringing away from the dangers of the divided kingdom.

Uther is the biological father of the protagonist. His chaotic reign and the subsequent division of the kingdom make it necessary for his son to be hidden away until the nation is ready for a true leader.

Ragnell is a woman suffering under a monstrous curse laid by a dark sorceress. She holds the answer to a riddle that can save the king's life, offering it in exchange for a knight's hand in marriage. She awaits a husband courteous enough to break her enchantment.

Lionel is a knight who sets out seeking adventure. In a moment of crisis, he becomes violently possessed by anger when he feels abandoned by his sibling, requiring holy intervention to banish his rage.

Balan is a loyal knight who fights alongside his brother to help secure peace for the kingdom. He later takes up the mantle of the Knight of the River, leading to a tragic, unrecognized duel.

Dindrane guides the chosen knights aboard a holy vessel. She demonstrates immense sympathy and a willingness to fulfill her own destiny by sacrificing herself to heal a sick woman.

Mark is the ruler of Cornwall who arranges a political marriage to secure peace with Ireland. He relies heavily on his strongest knight but eventually banishes him upon discovering a secret romance.