Status: Daughter of the Sword God. A young swordsman with top-class talent in the Holy Land of Swords. Personality: Short-tempered, proud, and naive about the world. Due to her lack of actual combat experience, she shows some softness at first. She does not use honorifics like "Lord" or "Lady." She has blue hair.

Real Name: Eris Boreas Greyrat (later discards the Boreas surname). Alias: "Mad Dog" (childhood), later "Sword King." Personality: Violent, hot-headed, a tsundere who can't be honest with her feelings, and an overwhelming woman of action. Combat Style: A master of the "Sword God Style" with overwhelming talent for swordsmanship. She has red hair.

Real Name: Isolte Cruel. Title: Water King (later succeeds to the title of "Water God"). Style: Water God Style. Appearance: A beautiful woman with bluish-black hair and a dignified face. Personality: Extremely serious and a devout follower of the Millis Religion. While she is refined and well-versed in court etiquette, she is absolutely uncompromising when it comes to swordsmanship.

Alias: "Peacock Sword." Style: North God Style (the strongest swordsman of the eccentric faction). Appearance/Features: Wears extremely flashy attire, including hair dyed in different colors on each side, and wears perfume strong enough to irritate the noses of beastfolk. Combat Style: Contrary to his flashy appearance, his methods are extremely practical, frequently using "plain techniques," "deceptive strikes," and "underhanded tricks." He is a man who embodies the North God Style philosophy of "winning is all that matters."

Ability: The man standing at the pinnacle of the Sword God Style, having mastered the "Longsword of Light," a strike that reaches the speed of light. Personality: Boisterous and daring, he is a combat maniac who pursues pure strength over honor or power. Relationship with Eris: He took in Eris Greyrat after she left Rudeus, hammered his highest-level techniques into her, and raised her to become the "Mad Sword King." He has blue hair.

Ability and Technique: An overwhelmingly powerful individual hailed as a genius of the highest caliber in the history of the Water God Style. Deprivation Sword Realm: Reida's unique, absolute sanctuary that integrates and sublimates all "Five Parries" of the Water God Style. Because she delivers a counterattack at god-like speed the instant anything moves around her, anyone who enters her range while it is active becomes unable to move.

Real Name: Rudeus Greyrat. Nickname: Rudy. Main Aliases: Rudeus of the Quagmire, Right Hand of the Dragon God. Origin: Buena Village, Fittoa Region, Asura Kingdom. Magical Talent: Through training since early childhood, he has mastered "Silent Casting," allowing him to activate magic without incantations. He possesses a vast amount of mana and specializes in Earth and Water magic. Personality and Humanity: Reflecting on his past life, he is generally polite and never shies away from hard work. On the other hand, he also possesses a perverted side carried over from his previous life and human flaws, such as getting carried away and failing miserably.