Misty Tredwell is a character from the anime Yu-Gi-Oh! 5D's. She is introduced as a world-class fashion model who possesses the unusual ability to read a person's character or fate based on their facial expressions, a practice known as physiognomy. This skill is demonstrated when she meets the reporter Carly Nagisa and accurately predicts that Carly will soon die. Misty's background is rooted in tragedy. She had a younger brother named Tobi, who was a fan of the Signer Akiza Izayoi and had joined the Arcadia Movement. Tobi was killed in an accident involving Akiza's uncontrolled psychic powers, which Misty initially believed was Akiza's fault. This loss consumed Misty with grief and a desire for revenge, driving her to become a Dark Signer after her own death. She died when her car went off a cliff due to inattention caused by her obsession, and the Earthbound Immortal Ccarayhua bonded with her to bring her back to life as a Dark Signer bearing the Lizard mark. As a Dark Signer, Misty's motivation is to avenge her brother by defeating Akiza. She infiltrates the Arcadia Movement's headquarters and confronts Akiza, unleashing her Earthbound Immortal Ccarayhua and sacrificing hundreds of people inside the geoglyph to summon it. During her duels, she uses a Reptilianne-themed deck, which includes cards like Reptilianne Vaskii and Dragon Queen of Tragic Endings, and relies on her Earthbound Immortal to attack directly and destroy all cards on the field when it is destroyed. Her personality is marked by intense grief and bitterness, but she also shows a strategic, analytical nature. She is independent and confident, often working alone. In her pivotal duel against Akiza inside the Monster World theme park, Misty learns from Yusei Fudo's Duel Disk that the true culprit behind Tobi's death was Divine, the leader of the Arcadia Movement. This revelation shatters her misguided vendetta, and she allows Ccarayhua to consume Divine, killing him. Afterward, Misty feels liberated from darkness and attempts to surrender, but the Earthbound Immortal takes control of her body and forces the duel to continue. In a moment of clarity, Misty pleads with Akiza to end her suffering, and Akiza activates a trap that defeats her, causing Misty to vanish as her locket breaks open. Following the final defeat of the Dark Signers and Rex Goodwin, Misty is revived and returns to her normal life. In the epilogue, Akiza shows a photograph of Misty in Paris, indicating that she has resumed her modeling career and moved on from the past. Her key relationships include her adversarial connection with Akiza, which transforms from blind hatred into a kind of redemption; her brief but significant encounter with Carly, who becomes a Dark Signer herself after Misty's prediction; and the manipulation by Divine, whom Misty ultimately sees as the true enemy. Misty's character development is a journey from vengeful antagonist to a tragic figure who confronts the truth and chooses to let go of her hatred. Her notable abilities extend beyond dueling to her physiognomy, which gives her insight into others' fates, and her resilience as a Dark Signer who ultimately reclaims her humanity.