Jace in lemon fanfiction can be quite passionate. His love for Clary is shown in a very intense way. He might be more forward in expressing his desires compared to in the original story. Clary is often depicted as being a bit more vulnerable in these fanfictions when it comes to her relationship with Jace, yet still maintaining her core of courage. She may struggle with her new - found feelings and the physical aspect of their relationship at times, but she grows through it. Overall, their relationship in lemon fanfiction is usually more steamy and emotional.
There's 'Jace and Clary: A New Chapter' which takes their story in a different direction. It explores what would happen if they had to face a new, powerful enemy while also dealing with their own relationship issues. It has some really intense and emotional scenes that make it a great read.
Love is a very common theme. Since they are a couple in the original series, fanfiction often explores different aspects of their love, like how they overcome obstacles to be together. Another theme is adventure. Fans like to put Jace and Clary in new adventures that are related to their world of shadowhunters.
Adventure is another theme. Given that they are Shadowhunters, many fanfictions continue their adventures, facing new demons and solving mysteries. This not only tests their relationship but also shows how they grow as individuals within the relationship. For example, in some fanfictions, they might have to go on a quest to find a lost relic, and during this journey, their bond either strengthens or is put to the test.
Their relationship would become more centered around the baby. They would have to make decisions together for the sake of their child, which would strengthen their bond.
The relationship would evolve significantly. Before the baby, they were mainly focused on their own adventures and relationship. But now, they are parents. They would need to support each other in different ways. For instance, Jace might be more protective of Clary and the baby. Clary would be more nurturing, and they would both have to learn to balance their duties as Shadowhunters with their new family life.
It would change in many ways. They would go from being carefree high school sweethearts to having a lot of responsibilities. There would be more arguments as the stress of the situation builds up. But at the same time, they would also have deeper moments of love and understanding as they face this huge life change together. Jace might become more overprotective of Clary, and Clary would need Jace's support both emotionally and physically.
Since 'rough lemon' fanfictions are not suitable to promote, I suggest you explore the world of Clary and Jace through the original books or official adaptations. You can also find fanfictions that are centered around their love story, like how they overcome obstacles together, which can be really interesting and in line with the positive spirit of the story.
There are fanfictions where Jace and Clary swap their abilities for a day. This leads to some really funny and interesting situations. Jace, with Clary's ability to create new runes, might come up with some unique and powerful ones. And Clary, having Jace's combat skills, could surprise everyone in a fight. These types of fanfictions add a new and exciting twist to their characters.
A great alternative is exploring their family relationships. For example, how their family backgrounds influence their decisions and how they deal with the expectations from their families while still being true to their relationship with each other. It can add depth to their characters.
Love is a very common theme. Their intense, passionate love for each other is often explored in great detail. Another theme is sacrifice. They are often put in situations where they have to sacrifice something for the other.