Grimm Stay Night

War was about to start in Fuyuki, as Servants are called upon to begin their war. However, an interloper arrives, one who wields True Magic and may change the course of this timeline. With the aid of one who wishes to be a hero of justice, facing those who wish to divide humanity and ruin them, Ozpin must see if he can be a hero once more. And maybe, just maybe, he'll get his wish.