Lightning's hairstyle resembles the shape of the crystalised Cocoon, which is also the logo of Final Fantasy XIII.
As shown in the first Final Fantasy XIII trailer, Lightning had a Gravity Bomb device at her disposal, which could be used to generate an electrical shield in battle or manipulate time and gravity.
Lightning's eidolith crystal is the shape of a pink rose bloom, and red petals can be seen when she summons Odin and changes it into Sleipnir in Gestalt Mode.
Her crystal is used for the "Superstar" trophy/achievement.
In Final Fantasy XIII Episode Zero -Promise-, it is mentioned Lightning is better at housework than Serah, but Serah is the better cook.
In her official CG render, Lightning is not wearing her lightning bolt necklace, though it is present in her render on the Final Fantasy XIII summary website
Jonathan Jacques-Belletête, the art director of Deus Ex: Human Revolution, another game franchise owned by Square Enix, drew an artwork of Lightning for the New York Comic Con 2011 "East Meets West" panel of her l'Cie brand, which is never actually shown in the game. Isamu Kamikokuryo, the art director of Final Fantasy XIII, also drew an artwork of Deus Ex, which was revealed in the same event.
Lightning, along with Cid Raines, are the only l'Cie who never have their l'Cie brands revealed onscreen during the events of Final Fantasy XIII.
Art director Isamu Kamikokuryo consistently draws Lightning and Serah with blonde hair in concept art, despite their more "official" appearances. Additionally, Kamikokuryo's Lightning concept art for Final Fantasy XIII-2 has a black armor with gold or white outlines. This may have contributed to Lightning's design in Lightning Returns: Final Fantasy XIII where she has a black armor.
Lightning appears on the 500th cover of Dengeki Playstation magazine with Noel, Serah, Noctis, Machina Kunagiri, and Rem Tokimiya.
Lightning's render for Final Fantasy XIII-2 has her sword and shield in opposite hands. She also holds her sword in her left hand on the cover box art for Final Fantasy XIII.
In a live action PlayStation advertisement, titled "Michael" - PS3 Long Live Play, Lightning is seen listening to a story told by Nathan Drake from the Uncharted series and her gunblade is placed on the weapon rack as the soldiers are entering the tavern.
Lightning shares her Japanese voice actor with Aya Brea from The Third Birthday, Aerith Gainsborough from the Compilation of Final Fantasy VII, and Diva from Final Fantasy Type-0. Additionally Aya and Lighting wearing each other's outfits is a reference to their shared actors.
Lightning on Etro's throne at the end of Final Fantasy XIII-2 resembles the Final Fantasy XIII promotional artwork of her sitting in the Narthex, and the Final Fantasy XIII-2 Ultimania Omega has a piece of artwork depicting Lightning on Etro's throne in the same pose.
Similar to her sister Serah, Lightning's official render isn't used in the menu screen in Final Fantasy XIII-2 and instead an alternate render from Final Fantasy XIII is used.
Lightning, Sazh, Hope, Snow and Noel appeared as models for the Showcase Prada 2012 Men's Spring/Summer Collection.
All models in Final Fantasy XIII-2 are of lower resolution than those in its predecessor. The game data includes Final Fantasy XIII's high-res model of Lightning that is never used anywhere, which was likely used as a place-holder throughout production.
Lightning is the consistent playable character in all three games of the Final Fantasy XIII trilogy.
According to Motomu Toriyama at a presentation for Lightning Returns: Final Fantasy XIII, Lightning is considered a role model in Japan due to her courage, speed and elegance.
Lightning's Mask is an adornment for monsters which can be found in Void Beyond after completing Final Fantasy XIII-2.
Lightning was voted Japan's number one favorite Final Fantasy female characte
Videos Used: Final Fantasy XIII , Final Fantasy XIII-2 and Final Fantasy: Lightning Returns
Music: Yuki Kajiura - I talk to the rain
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