The Great Other and the Night King have won. There are no mortals left in the world, only the dead and the Gods are next. What if, in a desperate bid to escape their Doom, the Gods turn back time? But in order to make things go the way they should, they allow two mortals to retain the memories of the future they lived before...

Sequel to The Arithmancer. Years 5-7. Armed with a N.E.W.T. in Arithmancy after Voldemort's return, Hermione takes spellcrafting to new heights and must push the bounds of magic itself to help Harry defeat his enemy once and for all.

AU. In 1938, Albus Dumbledore heads to a London orphanage to deliver a letter to a muggleborn student, and decides to be reasonable when encountering Tommy Riddle.

After killing Voldemort during seventh year, Harry vanished without a trace. But now, 8 years later, a deadly secret forces him to return and it seems that only Snape will be able to save him. SSHP, no slash

Professor Sirius Black, Head of Slytherin house, is confused. Who are these two strangers found at Hogwarts, and why does one of them claim to be the son of Lily Lupin and that git James Potter? Dimension travel AU, no pairings so far. Dark humour.