Ep. 25: Maiden of the Blue Sky

Nina operates the Harmonium in order to save the fatally wounded Sergay. Meanwhile, Operation Liberate Windbloom is put into full action, with rival armies squaring off against each other and the Otome attempting to gain their powers back. The system powering the Valkyries, powered by Lena's corpse, hinders the Otomes, but Arika destroys her mother's body. (Source: Wikipedia)

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