One common theme is love. The love between Legolas and the OC is central, and it extends to their love for their baby. It shows how their relationship grows stronger with the addition of the new family member.
One common theme is adventure. The OC often goes on quests or adventures with Legolas. Another is friendship, as they develop a bond that might be different from the ones Legolas has with his known companions. And love can also be a theme, whether it's a budding romantic relationship or a deep platonic love.
One common theme is adventure. The female oc often embarks on some sort of journey, and Legolas is either part of it from the start or joins later. For example, they might be on a quest to find a lost artifact or to save a particular region in Middle - earth.
One common theme is the 'forbidden love' aspect. Since Legolas is an elf from a different world or culture in the Tolkien universe, the relationship with an OC (original character) often faces various obstacles. Another theme is the adventure - love combination. The couple might go on quests together, and their love develops during these adventures.
One common theme is the discovery of the soulmate bond. Usually, the OC and Legolas start off not knowing they are soulmates and then gradually realize it through various events.
One common theme is the father - son bond. It shows Thranduil's protective and loving side towards Legolas as a baby. Another theme could be Legolas' early development, like his first steps or his discovery of the forest. Also, there might be themes related to the elven culture and how Thranduil imparts it to his son at a young age.
Adventure is also a big theme. They often go on quests together, like exploring uncharted parts of Middle - earth or fighting against dark forces. This not only tests their physical strength but also deepens their bond as they face difficulties side by side.
Love is a very common theme. The love between Klaus and the OC is often explored, especially how it deepens with the arrival of a baby. It's about their journey of falling in love all over again as they take on the role of parents.
One common theme is friendship. Their bond is often explored, like how they support each other in difficult situations. For example, in many fics, Aragorn might be in a tough leadership decision and Legolas offers his unique perspective. Another theme is loyalty. They are always loyal to each other and to their cause, and this is often a central aspect of the stories.
Love and romance also feature often. It could be a love story between female Legolas and an original character created by the author. Or it could be a reimagined version of a relationship that was hinted at in the original works. Her elven grace and beauty make her an interesting character for love - related plotlines in these fanfictions.
One common theme is the reaction of the other characters. They might be shocked, supportive or confused. Another theme could be the physical and emotional changes Legolas goes through.