There's also 'Voldemort's Obsession'. In this fanfic, Voldemort's possessive nature is shown through his constant attempts to control Harry's every move. It's a rather dark take on their relationship, with a lot of psychological battles between the two characters.
Another one is 'The Possessive Dark Lord'. This fanfic shows how Voldemort's possessiveness of Harry starts to change the course of the war. It has some really interesting plot twists as Voldemort tries to make Harry his in a very literal sense, and Harry has to fight not just against Voldemort's power but also his strange form of 'affection'.
There's also 'Voldemort's Claim on Harry'. It shows a different aspect of Voldemort's possessiveness. Instead of just physical possession, it's more about his claim on Harry's power and potential. The story builds on how Voldemort believes Harry is meant to be his in some way, and how Harry struggles against this possessive hold.
One popular fanfic is 'The Dark Mark's Obsession'. In this fic, Voldemort's obsession with Harry takes a very dark and twisted turn. It explores the psychological aspects of Voldemort's fixation on Harry, and how it affects both of their characters. Another one could be 'Voldemort's Unwavering Focus'. It shows Voldemort constantly plotting and strategizing around Harry, making for a very intense read.
One great fanfic with this theme is 'Harry's Jealousy'. It really delves into how Harry's possessive nature towards Ginny plays out in different scenarios. The author does a wonderful job of showing his protectiveness and how Ginny responds to it.
One common theme is the power struggle. Voldemort's possessiveness often leads to a fight for control over Harry's power. Harry, on the other hand, resists this control, which creates a tense dynamic.
Well, 'Shadows in Harry's Soul' is a fanfic that's quite good in this regard. It starts with a slow build - up of Voldemort's influence over Harry. As the story progresses, we see Harry's attempts to break free from the possession. The fic also has some interesting sub - plots involving the other characters trying to figure out what's going on with Harry and how to save him.
Often, it's portrayed as a very unbalanced power dynamic. Voldemort is the powerful, controlling figure, and Harry is the object of his possessiveness. For example, Voldemort might try to isolate Harry from his friends and allies.
There are indeed some. One reason for the existence of such fanfics could be the desire of fans to see a different outcome earlier in the story. For example, in some of these fanfics, Harry might use his connection with Voldemort in a more aggressive way to end the Dark Lord quickly. It gives a fresh perspective on the whole Harry Potter universe and can be really interesting to read.
There's 'Harry's Triumph over Voldemort' which focuses on Harry's inner strength and how he overcomes his fear to finally capture Voldemort. It delves deep into the bond between Harry and his friends who support him throughout the process. The story also has a great twist where Voldemort's own arrogance becomes his downfall.
There's a fanfic where Harry is the heir of Slytherin and it focuses on his relationship with the Slytherin house. Instead of the usual enmity, he tries to bridge the gap between Gryffindor and Slytherin. I can't recall the exact name, but it's a really good read if you can find it. It shows Harry's growth as a character and how he uses his newfound heritage to bring about change in Hogwarts.
One popular one is 'The Knight's Claim'. In this fanfic, the knights show their possessiveness in a protective way. They are always by Merlin's side, not allowing any harm to come to him. It's a great read for those who like this kind of dynamic.