Lost Technica and Problem Solving

 is the seventh episode of the Trinity Seven series, broadcasted on November 18, 2014 on TV Tokyo.

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The headmaster's grimoire, Solomon's Gate, has activated. Even high level mages go crazy if they stare at it too long. Liese escapes battle with the headmaster, and attacks Arata and the others, where she uses her ultimate secret technique, Final Crest. And then, the school in the West falls when Liese freezes time...

Summary
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Characters
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Adaptation
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Trivia
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