第12話: アリシアがフォールン軍に加わる一方、ディアブロはクレムを拘束し、アリシアの自殺未遂後、レムがアリシアを許す。

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Alicia joins the army of Fallen and she, Edelgard, and Eulerex celebrate the return of the true Krebskulm. While Shera treats Rem's injuries with potions, Diablo battles Krebskulm and greatly damages her, but cannot keep her down. After Emile protects the girls from debris, Rem reveals she is all right, causing Krebskulm to revert to the little girl Klem. The army of Fallen turns on Alicia for her failure, but Edelgard holds them off and tells her to escape. Sylvie attempts to kill Klem for the destruction she caused, but relents when Diablo casts the spell to bind Klem to him as a slave and make a collar appear around her neck, as a slave cannot disobey their master. Later, Alicia appears and reveals she sneaked Edelgard, heavily injured from fighting off the other Fallen, into the city and begs Klem to heal her, which she does. Klem orders Edelgard to never kill mortals again. Rem asks Alicia why she did what she did and she reveals her past suffering and desire to wipe out the mortal races. Since Klem will not kill, Alicia attempts suicide, but Diablo stops her and tells her to find a new purpose to live for, then Rem forgives her. Diablo collapses in exhaustion and is embarrassed when all five girls strip and rub against him to donate magical energy. The next day, Edelgard disguises herself as a human and mingles with the people. Alicia leaves for a new journey. Shera and Rem ask Diablo choose one of them and kiss her, but he refuses, as he is a Demon Lord and only does what he wants. (Source: Wikipedia)