Unlike all knights who are bound to the code of chivalry, Duvalie is described as a "tsundere" who hot-tempered, ever-willing, devoted, short-tempered and bragging. But her character portrays her suit for battle than living the life of a delicate woman, boasting that she’s a swordsman who cannot be bested. However deep down, she is sincere who refuses anything that strays from the righteousness.
Her loyalty Arianrhod is fierce to the range from devotion to adoration wher she becomes a complete fanatic. The admiration of her leader leads her to brag about her invincibility, and will not let anyone say otherwise. But can become overly emotional rather quickly, which can result in her slipping up and making costly mistakes.