There might be. However, since Harry Potter and Rosalie Hale are from different fictional universes, such fanfictions can be quite rare. But some creative authors might have combined these two worlds in interesting ways. You could also try reaching out to fanfiction communities on social media platforms to ask for recommendations.
Yes, there are some. You can start by looking on popular fanfiction websites like Fanfiction.net or Archive of Our Own. Just search for the specific pairing in their search bars.
There are likely to be some. It really depends on your taste though. Some might focus more on the development of their relationship, while others could be more action - packed with elements from both the Harry Potter and Twilight (where Rosalie Hale is from) universes. When looking for them, make sure to read the summaries and reviews to find ones that suit you.
Chapter 253, "Short on Meat, Short on Manpower, Someone Delivers", is the clearest early answer because it turns Gourd Valley's situation into a concrete plot event. It opens with Second Year of Great Xia, April 28th As night fell, a large group of... and closes on I can't understand it, and neither can you!" Xia Chuan sighed.... The key payoff is that the chapter closes with Xia Chuan nodded; the migration plan was drafted by him and his team, so he was familiar with the details.
Chapter 246, "White Dew Gu and Cold Apple Jade Dew, Hanqiong's Sinister Smile", is the clearest early answer because it turns Xia Hong's situation into a concrete plot event. The chapter turns that into something concrete by moving from He shouted bravely, but his heart was full of regret. to Before Hou Tong could finish his words, a silver sword light suddenly....
Chapter 243, "Hanqiong's Great Battle, Realization After the Fact", is the clearest early answer because the buildup finally cashes out in a real clash. The chapter gives readers a real answer by opening on Longyou Year 48, April 17 On the rooftop of the main building at... and ending on Are they trying to monitor and restrict me to the Hanqiong Station,....
Chapter 264, "Supplies Delivered, News from Long Mountain (2)", is the clearest early answer because it turns Great Xia's situation into a concrete plot event. Early on, Zhao Long nodded, May 8th, May 15th, today is May 20th, he was.... By the end, Moreover, whether that White Dew Gu is dead or not is still in....
Chapter 240, "An Offer You Can't Refuse, Narrow Escape (Part 3)", is the clearest early answer because the buildup finally cashes out in a real clash. It opens with Upon hearing his inquiry, everyone looked a bit puzzled. and closes on It will be arranged once the matters in Longyou are settled and we....
Chapter 340, "Seclusion, the Growing Yu Generation, Family Banquet, Rapid Development (Part 4)", is the clearest early answer because it turns Xia Chuan's situation into a concrete plot event. Early on, Xia Hong made up his mind and withdrew his gaze, looking through the.... By the end, Xia Hong raised the cup and drank it all in one go, his cheeks....
Chapter 246, "White Dew Gu and Cold Apple Jade Dew, Hanqiong's Sinister Smile", is the clearest early answer because it turns Li Xuanling's situation into a concrete plot event. The chapter turns that into something concrete by moving from He shouted bravely, but his heart was full of regret. to Before Hou Tong could finish his words, a silver sword light suddenly....
Chapter 248, "Li Hu and Yang Zhong, Saving Lives and Destroying Evil (Part 2)", is the clearest early answer because the rescue effort creates visible on-page results. A useful checkpoint is the way the scene starts with The Blue Flame Saber of Wu Xiong became even stronger than before. and follows through with After dozens of iron arrows had been fired, Wu Xiong's body was....
Chapter 255, "Frenzied Fortune-Making, Dangerous Thoughts, Perfect Timing (Part 2)", is the clearest early answer because it turns Solidified Fire Oil's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Hearing Xia Hong's words, Xia Chuan immediately nodded. and follows through with Once they left, Xia Chuan immediately and anxiously brought over 200....
Chapter 214, "Achieving Merit by Accident", is the clearest early answer because it turns Chen Yingba's situation into a concrete plot event. The chapter gives readers a real answer by opening on The reaction time at the Hive Camp was actually quite fast. and ending on As one of the first to arrive at the mining area, he not only....