Love and relationships are also common themes. There could be a romantic relationship with another character, which adds an emotional depth to the story. And of course, the theme of self - discovery. Stiles learning about his new identity as an alpha and what it means for him.
One common theme is power. Since Stiles is an alpha, the story often explores how he wields his power, whether it's for good or to face his enemies. Another theme is loyalty. His friends' loyalty to him and vice versa is usually a big part of the story.
One common theme is power and responsibility. Since Stiles is an alpha werewolf, he has to deal with the power that comes with the title and the responsibilities of leading or protecting others. For example, in many fanfics, he has to protect Beacon Hills from supernatural threats.
The theme of protection also frequently appears. Peter, as an Alpha, may feel a strong urge to protect Stiles, the Omega. This can lead to various plotlines, from fending off other supernatural threats to dealing with the internal politics of the werewolf pack. There's often a lot of tension and drama as they both learn to rely on each other in different ways.
The theme of transformation is also prevalent. Stiles may undergo some sort of personal transformation under Peter's influence as alpha. This could be emotional, like becoming more confident, or it could be related to some sort of supernatural ability. It adds depth to the relationship between them and makes for an interesting read.
Power and responsibility is a major theme. Stiles has to learn to use his alpha power wisely while being a human. He can't rely on the natural instincts that other non - human alphas might have. Also, the theme of acceptance is there. He has to be accepted by other supernatural beings in the story as a human alpha.
Supernatural elements are also very common. Since the show is about the supernatural, fanfics usually include things like werewolves, witches, and other magical creatures. Stiles' interaction with these elements is always interesting to read about.
One common theme is the relationship between the cheerleader and Stiles. It often involves a budding romance or a strong friendship.
One common theme is protection. Since Stiles is in a baby form, other characters often have to protect him from the various dangers in the supernatural world. Another theme is cuteness. Writers usually focus on the adorable things baby Stiles does like his little giggles or how he toddles around.
There are often themes related to empowerment. Fem Stiles may be portrayed as breaking gender norms within the Teen Wolf universe. For example, she could be shown as being just as good or even better at solving mysteries or fighting supernatural threats. Friendship is also a big theme. How her relationships with the other characters, like Lydia or Allison, change or stay the same in a different gender context can be an interesting exploration. Sometimes, there are also themes related to family, especially how her relationship with her father might be different as a female.
A common theme is adventure. Stiles often goes on quests in these ancient settings, exploring unknown lands. Another theme is discovery, like finding new cultures or magical elements.
One common theme could be the challenges and joys of impending parenthood. Stiles might face difficulties in preparing for the baby while dealing with his own life situations.