One Temple

The One Temple (一つの神殿, Hitotsu no Shinden) is an esteemed temple located in the Holy Kingdom of Harmonia

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The One Temple is a shrine located in Crystal Valley, capital of the Holy Kingdom of Harmonia. So many ancient documents filled with knowledge, encompassing so many subjects, are stored here that people claim the temple provide the answer to any problem or query, unravelling the secrets of the world.