Well, the plot could also focus on the dragon's isolation. After 5000 years, it may be the last of its kind. It tries to find others like it while facing challenges from other magical creatures who don't understand its peaceful, herbivorous ways. It could be a journey of self - discovery and survival in a world that has changed around it.
It might have a very large size, having grown over the millennia. Its scales could be dulled with age and covered in moss or small plants, since it lives in harmony with nature as a herbivore.
The plot could involve the dragon's long life journey. Maybe it has witnessed the rise and fall of civilizations over the millennia. It could be protecting a special forest, which is its food source, from various threats like greedy humans or other magical creatures.
Well, the plot could be about a young adventurer who finds a pet dragon egg. After it hatches, they go on various adventures together, facing challenges like mean knights who want to capture the dragon. Maybe they explore hidden caves full of treasures too.
Maybe the dragon has seen the destruction caused by non - vegan diets over the millennia and has chosen a vegan lifestyle to oppose the harm. It could be on a quest to convert other dragons or creatures to veganism, facing resistance along the way.
One possibility could be that Harry has been alive for 500 years by using some powerful magic that had unforeseen consequences. He might have seen the rise and fall of many magical civilizations and now has a vast knowledge of magic that no one else does. He could be a sort of hermit, living in an isolated place and only emerging when there is a great threat to the wizarding world that only his ancient knowledge can solve.
One possible plot could be that Harry, being 1000 years old, has lost his memory over time. The story could revolve around him trying to regain his memories and in the process, he uncovers long - forgotten magic and dark secrets of the wizarding world. He might meet descendants of his old friends who help him on this journey of rediscovery.
The plot could revolve around Harry being 2000 years old and having to adapt to the modern wizarding world. He has seen so many changes in magic and society. He might struggle with modern technology in the wizarding world while also trying to pass on his ancient knowledge to the new generation. There could be a conflict where some people want to use his knowledge for wrong purposes and he has to protect it.
The story could be about a heroic quest to save a kingdom from a menacing dragon. Maybe the dragon has been terrorizing the land, and a brave warrior steps up to face it.
Perhaps it has a defensive power like a force field made of leaves and vines. When it feels threatened, it can summon this protective barrier. Also, it could have the ability to heal itself and others with special herbs. Over its 5000 - year existence, it has learned which plants have medicinal properties. So, in times of need, it can use these herbs' powers to mend wounds and cure diseases.
Perhaps it's a story where Peter already has some inklings of his powers at 4 years old but doesn't fully understand them yet. He might be having strange experiences, like being able to climb walls a little bit or having an unusually strong grip for a child. The fanfiction could then be about how he tries to make sense of these things, and how the adults around him react to his 'quirks'. It could also show how his early experiences with his powers influence his view of the world and his place in it as he grows up.