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Material-D is a Material, part of the system Unbreakable Dark materialized as a clone of Hayate Yagami during the Dark Fragment Incident. <br /> <br /> Her name is first introduced in The Battle of Aces in English Material-D and in Japanese "Lord Ruler of Darkness" without specific ruby-kanas. The "D" in her name is believed to stand for "Darkness," which is associated with Hayate and the Book of Darkness.<br /> <br /> In The Gears of Destiny, it is revealed her rubied name is "Lord" Dearche, which may be shortened as Dearche. It is most likely a misspelling of "Lord" Dearche. She is properly spelled as "Lord Dearche" in Magical Girl Lyrical Nanoha INNOCENT (video game). <br /> <br /> Her device is Yersinia Kreuz.<br /> <br /> (Source: Nanoha Wikia)<br /><br />
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Material-D is a Material, part of the system Unbreakable Dark materialized as a clone of Hayate Yagami during the Dark Fragment Incident. <br /> <br /> Her name is first introduced in The Battle of Aces in English Material-D and in Japanese "Lord Ruler of Darkness" without specific ruby-kanas. The "D" in her name is believed to stand for "Darkness," which is associated with Hayate and the Book of Darkness.<br /> <br /> In The Gears of Destiny, it is revealed her rubied name is "Lord" Dearche, which may be shortened as Dearche. It is most likely a misspelling of "Lord" Dearche. She is properly spelled as "Lord Dearche" in Magical Girl Lyrical Nanoha INNOCENT (video game). <br /> <br /> Her device is Yersinia Kreuz.<br /> <br /> (Source: Nanoha Wikia)<br /><br />
