Yes, there are likely many 'Harry can speak to dragons' fanfictions out there. Fanfiction websites are full of creative takes on existing fictional universes. You can try searching on popular fanfiction platforms like Archive of Our Own or FanFiction.net.
Well, in some versions of this fanfiction, Harry might discover it by accident. For example, he could be in a situation where he's near a dragon and instead of the usual fear or aggression from the dragon, it seems to be communicating with him in a strange way. Maybe the dragon's eyes seem to be trying to convey a message, and Harry just somehow understands it, like he has an innate sense that he can pick up on the dragon's thoughts.
Well, maybe Harry discovers his ability to speak to dragons during one of his adventures in the Forbidden Forest. He could then use this ability to form an alliance with the dragons against Voldemort.
The story would likely become more exciting. Harry could use the dragons as allies. For instance, he could ride a dragon to quickly reach places he needs to be. It would also add an element of mystery as he discovers more about the dragons' language and culture.
He might have adventures where he helps dragons that are in trouble. For instance, there could be a dragon that is being held captive by dark wizards for some evil purpose. Harry, using his ability to speak to the dragon, can figure out how to free it. He could communicate with the dragon to find out where the chains are enchanted and what the weak points of the prison are.
Well, it allows for new and unique storylines. Since both dragons and parseltongue are not often explored together in the original works, fanfiction writers have a lot of room to be creative. They can create complex relationships between dragons, parseltongue - speakers, and other magical beings. For instance, a story could be about a dragon who was once a pet of a parseltongue - using wizard and how they get separated and then reunited in a grand adventure that spans across different magical lands. It gives a fresh perspective on the magical universe we already know.
One popular 'dragons speak parseltongue fanfiction' might be those where a dragon uses parseltongue to communicate with a character from the wizarding world. For example, a story could have a dragon helping a young wizard who can also speak parseltongue to find a hidden treasure. The dragon's knowledge of the ancient magic language adds an extra layer of mystery and intrigue to the plot.
Yes, it is possible. Fanfiction often takes creative liberties. Writers might choose to have Harry Potter speak only Latin for various reasons. Maybe they want to explore a different aspect of his magical education, as Latin is often associated with magic in the wizarding world. It could also be a way to make the story more unique or to tie in with some ancient magic plotline.
Perhaps he could speak Latin. Latin is often associated with magic in many fictional universes, including the Harry Potter universe. It's possible that instead of English, he has a deep understanding of Latin for casting spells and studying ancient magic texts. For example, many spells in the real Potter series have Latin roots, so in this fanfiction, he might directly use Latin in his daily magic use.