Stella Vermillion

Stella Vermillion is the main heroine of A Chivalry of the Failed Knight. An A-ranker Apprentice Knight and princess of the Vermillion Kingdom.

History
Stella is the 2nd Princess of the Vermillion Kingdom. As a child, Stella's magic powers were overly powerful that she can't control it and was burned many times in the process of mastering her powers. Eventually she succeeded in mastering her powers through rigorous training but decided to leave the country because she was worried about herself being conceited due to those surrounding her constantly referring her as a "genius".

Plot
While changing her clothers in her room, Stella was suprised to see a man suddenly entering her room which changes into horror when the man started stripping in a desperate attempt to solve things. She was later called to the Director's office as she encounters the same man, Ikki Kurogane again, as the two has a small bicker due to Ikki refusing to follow Stella's unreasonable demand which Kurono, the Director of Hagun Academy, suggest for them to have a mock battle to solve this issue. While Stella thought of this as an unreasonable way, Ikki's casual comment angers her and Stella changes the mock battle into a duel with an additional rule where the loser becomes the winner's slave.

Abilities
Expert Swordsmanship: Stella is proficient in swordsmanship, being extremely skilful in her Imperial Sword Style.

Immense Magic Power: Stella possesses an immense amount of magic power that she was unable to control as a child. After years of hard training, Stella finally mastered her power and is now able to use powerful attacks continuously without showing signs of fatigue. According to Stella, her magic power is 30 times that of a normal Blazer.

Fire Manipulation: Stella's ability as a Blazer.

Device
Laevateinn: Stella's Device, it takes a form of a long sword clad in flames.
 * Dragon Breath: Stella's Noble Art. According to Stella, her Noble Art,  can go up to 3000 degrees centigrade in temperature.
 * Kalsariteo Salamandra: The second of Stella's Noble Art and ultimate technique, Laevateinn transforms into a sword made from heat that had no physical body, and can reach a target more than a hundred meters away.