The Darkening of Your Soul

Harry is betrayed. Harry gets a second chance to do it all over again. There is just one catch. If Harry gets to keep his memories from his previous life, so does Voldemort. Harry Potter/Tom Riddle

To Live is the Rarest Thing

Tom/Harry. A disastrous trip to a waterpark (thanks, Dudley!) unleashes almost 200 lifetimes worth of memories, and now Harry is stuck as a ten-year-old while his soulmate is a wraith set on killing him. A very old and cynical Harry sets about correcting Tom's poor life-choices while avoiding Dumbledore and his Order'...