It is not paradox to rewrite history, in the breath of a single moment a universe blooms into existence as another path fades from view, Tom Riddle meets an aberration on the train to Hogwarts and the rest is in flux. AU, time travel, Death!Harry, Tom/Lily and Tom/Harry, not threesome

When they return to the Astronomy Tower, Dumbledore and Harry will have to face not only the Death Eaters but the Dark Lord himself. But with a castle full of innocent students, will Harry submit to Voldemort's wishes in order for them to remain alive?

You always get the stories where Harry goes back into Tom Riddle's time, then either stays or gets sent back. End of, unless he tries to make Voldemort good. But what if things went differently? What if, just once, someone followed a time traveller back?

Harry is accidently transported fifty years back in time through a fluke with the mauraders map. Here he runs into and befriends Tom Riddle, hoping to find his only weakness. No Slash.

Harry is taken the night Dumbledore is about to leave him with the Dursleys. With forces meddling in the timeline, Harry and Tom become the Riddle brothers. Follow the boys from the 1930s, WWII & Grindelwald, to canon years and a much changed future. Slash.

COMPLETE After being turned into a snake and unable to change back, Lord Voldemort is forced to turn to the only other living Parselmouth, Harry Potter. After making a deal, Harry agrees to help the Dark Lord return to his human form. SLASH HP/LVTMR

To what length would Harry go to keep his promise? Harry goes back home and is about to start his fifth year in Hogwarts 'again'. He is confused and doesn't know what to do with Voldemort anymore. Are they friends? Or foes? Sequel to Learn from History