After Dumbledore's death, Harry searches for answers in the Pensieve. But something goes wrong. Trapped inside a memory, Harry finds himself back at Hogwarts in 1945 where he meets an 18 year old Tom Riddle teaching Defense Against the Dark Arts. (This story is not mine, it is by an ao3 author named paimpoint)
Harry's world ends at the hands of those he'd once fought to save. An adult-Harry goes back to his younger self fic. Semi-super!Harry (This story is not mine it was made by an ao3 account named Batsutousai)
Harry and Tom's souls are tied together. Which is why they're in this endless loop of rebirth. At some point, they stopped caring and just started fucking with people. (slightly crack AU w/ some seriousness) MoD!Harry, kinda soulmates!TMRHP SLASH
Cursed against his will, Harry made the best of his life until he found himself, again, wandering in Death's realm. When Death offers him a second chance, a chance to right the wrongs he'd been blind to for too long, he can't possibly refuse. - This is not my book! However I can find the author for you if you'd like t...
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 Harry Potter/Lord Voldemort, or Tom Riddle. DISCLAIMER: this is not my story, however...
While Harry had been content with his second chance, that didn't keep him from thinking what he could have done different, how many people could have survived if he hadn't been set on the very specific path he'd walked. Third time is the charm, though, right? This is a sequel to "Against the moon" but can 100% be read...