The completed novels that no one had claimed included "The Story of the Guarding Sand,""Sunset,""Imprisoned Heart (TL),""Heavenly Tribulation,""Hujia 18 Beat (TL),""Juelian (TL)," and "My Heart Flying (TL)."
One success story is of Jane. She entered a local sweepstakes by a supermarket. She won a year's supply of groceries. It really helped her family save a lot on their daily expenses.
It could be a concept in the fanfiction, perhaps representing an unexplored or unacknowledged dark aspect within the Harry Potter universe. Maybe it's a new form of dark magic or a mysterious, unclaimed power source that has the potential to disrupt the balance in the wizarding world.
Another success story involves Sarah. She participated in a sweepstakes for a home makeover. She won, and her entire house was renovated. They redid the kitchen, added a new bathroom, and painted all the rooms. Her home value increased significantly, and she got to enjoy a more comfortable living environment. It was a huge transformation that she couldn't have achieved on her own so easily.
Fu Bao was the child of Su Moyang and Lin Lin in the TL novel " Love and War." Su Moyang was Lin Lin's boyfriend, and the two of them broke up due to a misunderstanding. However, after Fu Bao was born, Su Moyang reconnected with Lin Lin and started their relationship again.
I'm sorry, I don't have specific fanfiction titles with 'unclaimed darkness' at hand. But you can try searching on popular fanfiction platforms like Fanfiction.net or Archive of Our Own. Use the search term 'unclaimed darkness' along with 'Harry Potter' to find relevant stories.