A common theme is the clash and融合 of different magical systems. Harry's wizardry from the Potterverse and the elven magic in Thranduil's world often collide or combine in interesting ways. Another theme could be the culture shock that Harry experiences in Middle - earth. He's used to the wizarding world in Britain, but the elven society is very different.
One major theme is the relationship between Thranduil and Harry. It can range from a mentor - mentee relationship, where Thranduil imparts his wisdom and knowledge to Harry, to a more romantic relationship. Also, there's often the theme of adventure. Harry, being the adventurous type, might go on quests in Middle - earth with Thranduil by his side, facing new and dangerous foes that are different from the ones in the Potterverse.
One of the main themes is friendship. Despite their differences, fanfictions often show Harry Potter and Thranduil forming a friendship. This friendship is usually based on mutual respect for each other's abilities and knowledge. Also, the theme of adventure is quite common. Since both characters are from rather adventurous worlds, they often go on quests or face challenges together in the fanfictions. For example, they might team up to fight a new dark magic threat that neither of their worlds has faced before.
One common theme is identity. Harry has to figure out how to balance his wizard identity with his newfound elven heritage. Another is family. Since Thranduil is his father in these stories, there's often exploration of what that family dynamic means. For example, how does it affect his relationship with the Dursleys or the Weasleys.
One common theme is the clash and subsequent melding of different cultures. Harry comes from the wizarding world of Hogwarts with its own set of rules and values, while Thranduil is from the elven realm with a very different way of life. Fanfictions often explore how they deal with these differences.
One common theme is the exploration of different cultures. Thranduil is an elf king and Bilbo is a hobbit, so their cultural differences play a big role. Another theme is the idea of finding love in unexpected places. Their relationship is not something that one would expect in the original Tolkien lore.
One common theme is the 'enemies to lovers' trope. Given that Thranduil and Thorin have had their differences in the original stories, many fanfictions explore how they might overcome those differences and fall in love. Another theme is the exploration of their different cultures. Thranduil is an elf - king and Thorin is a dwarf - prince, so their cultural differences add an interesting layer to the relationship.
One common theme is the power of love across different species. Since Thranduil is an elf and the reader is presumably a human or from another race, their relationship often explores how love can bridge those gaps. Another theme is adventure. The reader may get involved in Thranduil's world of elves, which is filled with magic and danger, and they go on quests together.
One common theme is the clash and then the melding of different cultures. Bilbo is a hobbit from a simple, home - loving society, while Thranduil is an elvenking from a more refined and ancient culture. Another theme is the idea of unexpected friendship or even love that blossoms between two very different individuals.
One common theme is the allure of the elven world. Fanfictions often explore the beauty and mystery of Thranduil's realm, with the reader being drawn into it. Another theme is the power dynamic. Thranduil is a king, so there's often a play between his authority and the reader's more ordinary or unique position. Love against odds is also a big theme. Since they come from different worlds or statuses, their relationship has to overcome various obstacles.
One common theme is friendship turned into something more. Given their different kingdoms and roles in Middle - earth, their initial interactions might be formal, but in fanfiction, it often evolves into a deeper emotional bond.
One common theme is the 'outsider' aspect. Since the OC is not part of the original lore, they are often an outsider coming into Thranduil's world, like a human or an elf from a different region. Another is the theme of discovery. The OC and Thranduil discover each other's personalities, secrets, and values as their relationship progresses.