Wendy Marvell, a Sky Dragon Slayer from four centuries before X777, was orphaned early and raised by the dragon Grandeeney. Destined to journey through the Eclipse Gate to X777 as part of Grandeeney’s plan to counter Acnologia, she met fellow Dragon Slayer children during annual gatherings arranged by their dragon mentors. Originally part of Cait Shelter, she joined Fairy Tail after the Nirvana crisis, which targeted her former guild. When Fairy Tail disbanded temporarily, she aided Lamia Scale before assisting in her guild’s revival. Her Sky Dragon Slayer Magic focuses on air manipulation, healing, and support. Signature spells include Sky Dragon’s Roar, a hurricane-force breath attack, and Troia, a healing technique mitigating Dragon Slayers’ motion sickness. She healed critical injuries and neutralized poisons, notably reviving Erza from lethal venom. Observing allies, she honed offensive skills like Sky Dragon’s Wing Attack and Crushing Fang, expanding her combat versatility. Initially timid and insecure about her appearance and battle prowess, she grew resilient through guild bonds. During the Tartaros conflict, she severed her hair as a pledge to fight fiercely alongside comrades. Her compassion drove actions like evacuating Exceeds from danger and aiding orphaned children during a guild penalty. In crossovers, she allied with *Rave Master* characters against Klodoa’s forces in an OVA, unleashing Sky Dragon’s Roar after antagonists destroyed her doll. Other OVAs depict her retrieving Natsu’s scarf in *Memory Days* and training at a beach camp for the Grand Magic Games. Her past includes traveling with Mystogan, who entrusted her to Cait Shelter—later revealed as an illusion crafted by spirits. This revelation solidified her bond with Fairy Tail as her true family. Post-Nirvana, her healing prowess and evolving combat skills cemented her role in pivotal conflicts against dark guilds and the Alvarez Empire.