The Final Battle went far worse than expected, leaving Harry alone in the aftermath. Desperate, he performs a ritual to go back in time, just not as himself. Unfortunately, the time he ends up in is far from what he intended. Unsure what else to do, he finally decides to go back to Hogwarts. Tom Riddle is instantly obsessed.

Twenty years ago the robot Grindelwald gained sentience and waged war against humans. Ten years ago he was defeated by Albus Dumbledore, his very own maker. Ten years ago the Great Destruction happened, where all robots were destroyed and robot making was banned. Ten years later a fully intact robot who went by Tom was unearthed by Harry Potter. AU: No Magic, Robot/Human SLASH!