Lucina: Future Witness

Fire Emblem series by Nintendo & Intelligent Systems
First Appearance: Fire Emblem Awakening (Nintendo 3DS 2012)

Seiyu: Yu Kobayashi
Voice: Laura Bailey ; Alexis Tipton

The daughter of Chrom who hails from a distant future; a world torn by the Fell Dragon Grima. With the help of the Divine Dragon Naga, she was able to come to Chrom's timeline (along with many companions also born from members of Chrom's army) in order to prevent the disaster from ever happening, masking her identity with the moniker "Marth" in order to aid her father in the shadows. Though she has few memories of her father, her last keepsake being the inheritance of the sword Falchion, she loves him dearly, and would do anything to protect him from any kind of harm, even potential death at the hands of his most trusted comrade...
Super Smash Bros. Special Moves
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Standard: Shield Breaker
Side: Dancing Blade
Up: Dolphin Slash
Down: Counter

Final Smash: Critical Hit

Lucina is also a playable Unit in Bandai Namco's Project X Zone 2 with, fittingly, her father Chrom as her partner.