There might be a fanfic where a young witch uses dragon tongue in her potion - making. Since dragon tongue is a very rare and powerful ingredient, it causes all sorts of unexpected effects in her potions. This could lead to her getting into trouble with the professors at Hogwarts, but also might help her solve a big mystery in the end.
Dragon tongue in Harry Potter fanfiction can also be a symbol of power. Characters who possess dragon tongue or know how to use it are often seen as more powerful or special. For example, a powerful dark wizard might be seeking dragon tongue to increase his already formidable powers, while the good guys are trying to stop him from getting it.
One interesting story could be about a dragon that forms an unexpected bond with a Hogwarts student. Maybe it's a young dragon that was injured and the student nurses it back to health, defying the school's rules in the process.
There might be a fanfiction where a dragon plays a crucial role in a wizarding war. For example, the dragon could be tamed by a group of wizards who are outnumbered in the battle. With the dragon's help, they are able to turn the tide of the war, using its powerful fire - breathing and flying abilities to their advantage.
One interesting story could be about a young wizard who discovers a dragon bone wand in an ancient, hidden vault. The wand has a mind of its own and leads the wizard on a journey to discover its true powers. It might be able to perform spells that no other wand can.
There might be a fanfiction where a character gets a dragon tattoo as a symbol of their connection to the magical world of Harry Potter. The tattoo could have special powers and lead the character on a quest to discover more about its origin. It could involve interactions with characters like Hagrid, who has a deep knowledge of magical creatures including dragons.
One interesting story could be about a young wizard who discovers a dragon hatchling in the Forbidden Forest. He decides to secretly take care of it, facing many challenges like finding the right food and hiding it from the Hogwarts professors.
One interesting fanfiction could be about a young wizard who discovers a hidden dragon lair in the Forbidden Forest and has to use magic to communicate with the dragon. It might involve a unique bond between the wizard and the dragon, and they end up helping each other in various adventures.
Perhaps in the fanfiction, the tyrant dragon is actually a misunderstood creature. It was once a normal dragon but was experimented on by a group of rogue wizards. Harry and his friends, Hermione and Ron, then decide to help the dragon by finding a cure for its 'tyrant' state. They go on a journey through various magical places in search of the ingredients for the antidote.
One interesting story could be about a female dragon helping Harry Potter in his fight against the Dark Arts. The dragon might use its powerful flight and fire - breathing abilities to assist Harry in escaping from dangerous situations. For example, when Harry is being chased by Death Eaters, the dragon could swoop in and carry him to safety.
Well, it could be that the dragons in this fanfiction are the protectors of some ancient and powerful magic. Harry, being the curious and brave wizard he is, sets out to find this magic with the help of the dragons. Along the way, he uncovers secrets about the origin of magic and his own family's connection to the dragons, which changes his perspective on the wizarding world.