Luna huffs as she fixes her trousers, still warm in the cheeks after the little mishap with Krystal. Her day was not going as planned, first she felt a large pulse of a strange magic deep within the Everfree forest, deeper than either her nor Celestia had ever gone in, then finding this giant temple that went down for Stars knows how deep, then finally finding the blue fox woman encased in a strange magical crystal prison. It was easy to bust her out, the magic mere armature work that even a foal could do. Once freed the woman instantly took a battle pose with that staff of hers, growling and looking around frantically only to see the moon princess before her. After calming down she mentions how she was looking for answers, answers to the destruction of her home world, that this planet was her first choice. She had been attacked and sealed away by one General Scales, a name Luna did not recognize. Luna inquires about how long Krystal had been sealed away, soon finding that it was as long as Luna felt the magical pulse, nearly a week ago she would say. Visibly relieved that it was such a short time span Krystal offers her services in exchange for Luna's help in getting out of the temple and help finding this general, Luna accepts and the two soon began the trek out of the temple, fighting the long dead reanimated ponies within all the way.
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Luna and Krystal, battle buddies and soon to be good friends. Takes place after Luna's return so there's some mane six action in the future~