The key element is the concept of imprinting itself. It's a supernatural bond that suddenly forms. Another element is the object of his imprint, like Renesmee. Her unique nature as a hybrid is important.
In a Jacob Black imprint love story, the initial encounter is a key element. It's the moment when Jacob's eyes meet the person he will imprint on, and everything changes. Then there's the adjustment period. The person he imprints on may not understand the connection at first, and they both have to adjust to this new relationship. The cultural background also plays a role. Jacob's werewolf heritage and the traditions associated with imprinting add depth and complexity to the love story.
Another element is the relationship between Bella and Jacob prior to the imprinting. Their friendship or whatever form of relationship they had before sets the stage for how the imprinting will be received and how it will change things. Also, the reactions of other characters in the story, like the werewolf pack, towards this imprinting are important elements as they can either support or oppose it, which adds to the drama.
Jacob Black's imprint on Renesmee is a central part of his imprint stories. The concept of imprinting is very unique in the Twilight series. When Jacob imprinted on Renesmee, it was like his life had a new purpose. He saw her as the most important person in the world from that moment on. His actions were then guided by his need to be with her, protect her, and make her happy. This imprinting relationship was a complex one, as it involved different species - werewolves, vampires, and a hybrid like Renesmee. But Jacob's imprint on her was unwavering, and it influenced many of the events in the later parts of the Twilight saga.
Love is a very common theme. Since imprinting is such a strong form of connection, the fanfictions often revolve around the deep love between Jacob and his imprint. It's a love that is immediate and unwavering.
The imprint itself is a very interesting element. It creates an instant, unbreakable bond between Jacob and the female character. Another element could be the exploration of the wolf culture and how it affects their relationship. For example, the loyalty and pack dynamics play a role in how Jacob behaves in the relationship.
Love is a very common theme. Since imprinting is a form of intense connection in the Jacob Black lore, fanfictions often explore the deep love that comes with it. Another theme is loyalty, as Jacob has to be loyal to his imprint and sometimes this loyalty can put him at odds with his pack.
One good one might be 'The Struggle of Unwanted Imprint' which delves into the emotional turmoil of the character dealing with an unwanted imprint. It shows how Jacob Black tries to fight against the natural pull of the imprint in a very relatable way.
One interesting fanfiction could be about Jacob's journey after imprinting, how he copes with his newfound bond. For example, a story might explore his relationship with the imprinted person in the face of the complex vampire - werewolf dynamics in the Twilight world.
One popular type is where the Reader is a new arrival in the town and Jacob immediately imprints. It often involves him protecting the Reader from the various supernatural threats in the area. For example, in some stories, he might save the Reader from a rogue vampire, and from that moment, their special bond begins to form.
One common theme is the exploration of a new and unexpected love. Since the imprint is a sudden and powerful connection in the Twilight universe, fanfictions often focus on how the Jacob and the OC deal with this intense feeling that they may not have expected. For example, they might initially resist it due to various reasons.