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People: Lightning

Lightning is Serah's older sister, and a former soldier. She is also one of the l'Cie who helped stop the fall of the skyborne paradise, Cocoon, saving millions of lives in the process.

Three years ago, one of the supernatural fal'Cie gave Lightning a Focus—an order to destroy Cocoon. She resisted her fate, however, and protected her floating home.

Shortly after those events, Lightning ceased to exist in this world. Most believe that she gave her life in return for Cocoon's salvation.