A common element is the transformation of Bella's character. Instead of being the somewhat meek human in the original story, she becomes a strong, confident alpha wolf. Another element is the pack dynamics. There are often power struggles or alliances within the pack that Bella has to deal with.
A rival alpha wolf could be the main antagonist. This rival might see Bella as a weakness in the alpha wolf's leadership or might want Bella for himself. He could constantly try to undermine the relationship between the alpha wolf and Bella and start battles with the alpha wolf's pack.
One idea could be Bella is a human who gets lost in the forest and is found by the alpha wolf. The alpha wolf, instead of being hostile, feels a strange connection to her and decides to protect her from other dangerous creatures in the forest.
Some fanfictions in the 'bella is a alpha wolf' genre might explore her relationships in a new light. For example, her relationship with Edward or Jacob could be very different if she is an alpha wolf. She may be more assertive and in control. You could also look for stories where she forms her own pack, recruiting other unique characters. There are so many possibilities in this type of fanfiction, and exploring different websites and their search functions is the best way to find the ones that suit your taste.
There could be other members of the werewolf pack. For example, the beta of the pack might be an important character. He could be someone who is initially skeptical of Bella but later comes to accept her as the alpha's mate.
One common theme is loyalty. The alpha wolf is often depicted as being extremely loyal to his pack and his mate. This loyalty is tested in various situations, which makes for an interesting plot.
The 'alpha sam imprints on bella fanfiction' is likely to be centered around the idea of Sam, being an alpha, having an imprint on Bella. This imprint can be seen as a form of a very intense and unbreakable connection. It might show how Sam's alpha instincts play a role in protecting Bella, and how Bella responds to this new situation. It could also delve into the cultural or in - story implications of such an imprint within the context of the fanfiction world, such as how it affects the pack dynamics if Sam is part of a pack. And perhaps it will show how their relationship develops over time, whether it starts as a shock to both of them or something that they gradually come to understand and accept.
Yes, they can be quite popular. Many people are intrigued by the wild and powerful nature of wolves, especially alpha wolves. Their dominance and leadership within the pack make for exciting stories.
Yes, there are some out there. You can start by looking on popular fanfiction websites like FanFiction.net or Archive of Our Own. Just search for the specific tags related to Hermione and the alpha wolf concept, and you'll likely find a variety of stories with different takes on this idea.
Power is a common theme. As an alpha wolf, Harry often has to deal with the power dynamics within the pack. Another theme is loyalty. His pack members' loyalty to him and his loyalty back are important aspects. Also, identity is a big theme. Harry has to reconcile his identity as a wizard with his new identity as an alpha wolf.