Fate/Stay Night, Volume 2

After the deathly blow of Berserker, Emiya wakes up with a mysteriously recuperated body. That night, after Emiya took a blow to his stomach to save Saber, Einzbern let the battle go, promising to return again. As Emiya, Saber and Tosaka discuss the course of events, Tosaka warns Emiya of the realities of the Holy Grail War and reminds him that she is also in fact his enemy.