Summary: As the fate wove a tapestry to tell of a new hero for the age, so would the ancient vow be kept. Born of a human father and elven mother a year before the hero himself was a child in the Forest of Wishe. Though she would not bear the memories of her past, her heartfelt plea would transcend the ages. And through hardships and the Falna manifest, a new tale would be penned in Orario.
Summary: In a different world, Bell Cranel died at the hands of the Minotaur on the Fifth Floor. The Moon Presence, searching for a new Hunter to bring the long night to an end, just so happened to stumble across his soul on the way to Heaven. Thus a contract was established.
Fanfics that I have found interesting and have recently been updated
A Fate Grand Order x Danmachi Crossover Fanfic
Summary: In the distant past, before the Gods descended onto the lower world, Heroes made contracts with Spirits to fight the monsters born from the Dungeon. But with the descent of the Gods and the advent of the Falna, those Heroes and Spirits have passed onto legend. However, with the discovery of a certain object in the Dungeon, these legends will return to life once more.
A Code Geass Fanfic
Summary: Lelouch had been quite happy with his life. Sure they were living in obscurity, but he and Nunnally were safe. All of that changes however, when his identity is revealed and Lelouch is forced back into the fold of the Imperial family.