One popular 'Merlin raises Aithusa' fanfiction might be on Archive of Our Own. You can search for tags like 'Merlin', 'Aithusa' and 'raising' to find relevant stories. Some fanfictions in this theme could explore Merlin's magical bond with Aithusa and how he teaches the young dragon about the world of magic and Camelot.
In some fanfictions, Aithusa could play a role in Merlin's discovery of more of his powers. Since dragons are so closely tied to magic in the Merlin universe, Aithusa might show Merlin a new aspect of magic that he was previously unaware of. This could be through some sort of magical vision or by guiding Merlin to a place full of ancient magic.
One popular 'balinor raises merlin' fanfiction could be 'The Dragon's Heir'. It delves into how Balinor, being a dragonlord, imparts his unique knowledge and skills to Merlin. Another might be 'Balinor's Legacy' which focuses on the bond that forms between them as Balinor essentially takes on a father - like role for Merlin.
One popular 'Merlin raises Harry Potter' fanfiction might be 'The Magical Bond'. It often explores how Merlin's ancient magic and wisdom influence Harry's upbringing and his journey at Hogwarts. Another could be 'Merlin's Heir', which delves into the idea of Harry being not just a wizard but a special heir under Merlin's tutelage. There's also 'Merlin's Legacy in Harry', where Harry discovers hidden magical arts taught by Merlin that give him an edge against Voldemort.
First, you need to do some research on the Merlin universe, especially about Merlin's character and his relationship with magic and dragons. Then, think about how Merlin would handle raising a young dragon like Aithusa. You could start with a basic plot, like Aithusa being found by Merlin in a dangerous situation and Merlin deciding to take care of it.
There is a fanfic called 'Aithusa's Growth and Merlin's Role'. This one delves deep into how Aithusa develops over time and Merlin's influence on that growth. It shows a very different side of their connection compared to what we see in the original series. The author does an amazing job of creating new scenarios and emotions within the world of Merlin and Aithusa.
They could have adventures where they explore ancient magical places. Maybe they find a long - lost magical artifact that has the power to change the fate of Camelot. Merlin, with his knowledge, and Aithusa, with its dragon abilities, would be a formidable team in such quests.
One common theme is friendship. Since Merlin has a special connection with Aithusa, fanfics often explore how their friendship grows and evolves. For example, they might start off as cautious allies and become true friends over time.
Some Merlin - focused fan communities or forums might also be a good source. Members often share and recommend their favorite fanfictions. You could join a Merlin fan forum and ask for recommendations for Merlin Aithusa fanfictions specifically.
They are interesting because it combines two very different yet magical worlds. Merlin comes from the Arthurian legends, full of ancient magic and mystery, and Harry Potter's world is a modern - day magical setting. When Merlin is involved in raising Harry, it creates a whole new set of possibilities. For example, Merlin could teach Harry magic that has been long forgotten in the wizarding world of Harry Potter.
I'm not sure of a specific fanfiction for this scenario off the top of my head. But you could try searching on Archive of Our Own. There are likely some great stories out there where Gwaine witnesses Merlin hatching Aithusa.