Maybe Harry is on a quest to find a powerful magical artifact. This artifact has a connection to Vlad Tepes' past. As Harry follows the clues, he finally finds Vlad Tepes, who has been guarding the artifact for centuries. At first, they are suspicious of each other, but as they learn more about their common goals - to keep the artifact out of the wrong hands - they form an alliance.
Perhaps Vlad Tepes was once a student at Hogwarts long ago. He was expelled for delving too deep into dark magic. But now, with the return of a great evil like Voldemort, he decides to come back to Hogwarts to offer his unique brand of protection. He could teach Harry some unconventional defense spells based on his own experiences with dark forces.
One common theme is the power struggle. Since Vlad is a powerful vampire - like figure and Danny has his own ghost powers, there's often a battle for dominance or control. Another theme is the duality of Vlad's character. He can be cruel and power - hungry, but some fanfictions explore his more human side, especially in relation to his vampiric nature.
There's also 'Danny vs. Vampire Vlad: A New Battle'. In this fanfiction, Danny has to face a more powerful and vampiric Vlad. It has some really intense fight scenes and explores Danny's growth as he tries to outwit Vlad. It also dives into the lore of vampires within the Danny Phantom universe.
Love is also a common theme. Writers often pair him with different characters and explore the dynamics of their relationships. It could be a romantic love or a deep platonic bond. For example, in some fanfictions, he forms a strong friendship with a human who helps him see the world in a new light. This relationship then becomes the central focus of the story, with themes of loyalty and sacrifice emerging. Another aspect is his power. Fanfictions may explore how he uses or restrains his power, and the consequences that come with it.
The potential for character development is huge. Both Naruto and Krul have deep backstories and strong personalities. In a fanfiction, the author can explore how they influence each other. Maybe Naruto can teach Krul about friendship and hope, while Krul can show Naruto a different side of power and survival. This kind of interaction between the two characters can be really fascinating to read about.
It depends on how the 'abuse' is depicted. If it's overly graphic or promotes real - life harmful behavior, then it's not appropriate. But if it's used to tell a story about dealing with such issues in a fictional context and has a positive message in the end, it might be considered okay.
Many fanfictions explore how Danny tries to break free from this toxic relationship. He may seek help from his friends or family, or he may try to become stronger on his own to stand up to Vlad. This shows his determination and resilience in the face of abuse.