There are quite a few good ones. For example, 'Carlisle's Lost Love'. This fanfiction imagines a love interest from Carlisle's past that he never got over. It's full of emotion and backstory. Then there's 'The Trials of Carlisle Cullen' which puts him through a series of challenges that test his character. And 'Carlisle's Secret Alliance' reveals a secret partnership he has with some other supernatural beings.
One interesting Carlisle Cullen fanfiction is 'A Different Shade of Immortal'. It explores Carlisle's early days in a unique way. Another is 'Carlisle's Unspoken Journeys' which delves into his relationships within the vampire world. And 'The Hidden Depths of Carlisle' shows a side of him that we don't often see in the original books.
Well, there's a fanfiction called 'Carlisle's Redemption Arc'. In this story, Carlisle has to face some past mistakes and tries to make up for them in ways that are really engaging. Also, 'Carlisle and the Newcomer' is great. It's about how Carlisle interacts with a new vampire in town. And 'In Carlisle's Footsteps' follows his adventures as he travels to different places for various reasons.
In a particular Carlisle Cullen OC fanfiction, the OC is a vampire from a different coven. They meet Carlisle and there's a clash of different vampire cultures. The story shows how Carlisle tries to understand the OC's background while also trying to uphold his own family's values. It's full of interesting interactions and character development.
One interesting fanfiction could be where Dr. Carlisle Cullen has to teach Bella about the history of vampires in a more in - depth way than in the original story. This could involve ancient vampire clans and their cultures.
A really interesting plot twist could be that Carlisle's love interest turns out to be a half - vampire half - human hybrid that he didn't know about. This would completely change their relationship dynamic as Carlisle has to deal with a being that is both like him and very different. It would also bring up new moral questions for him.
Some great Carlisle Cullen turns reader fanfictions include those that explore his moral compass in relation to the reader. For instance, in a fanfic where the reader is a bit of a rebel in the vampire world. Carlisle, being the moral and upright character he is, has to deal with his feelings for the reader while also trying to guide them. 'Carlisle's Unforeseen Love' could be one such fanfic. Also, 'The Reader and Carlisle's Secret Bond' might be about a hidden connection between them that they gradually discover, which changes their relationship in unexpected ways.
One popular Carlisle and Esme Cullen fanfiction could be 'Eternal Bond' which beautifully explores their relationship in a more romantic and deep way. It might not be a 'lemon' in the traditional sense but still focuses on their love.
One interesting story could be about their early days together. Maybe it focuses on how Carlisle turned Edward and the initial struggles Edward faced adjusting to his new vampire life. It could show Carlisle guiding him through the process of controlling his thirst.
There might be a fanfiction where Renesmee has a special power that she discovers on her own, and Edward is both proud and a bit worried. For example, if she could communicate with animals in a unique way. This could lead to adventures as they try to understand and control this new power together.
One interesting fanfiction could be about Carlisle Cullen visiting Hogwarts. Maybe he goes there to share his knowledge of medicine with the Hogwarts staff. In this story, he could interact with characters like Dumbledore, and they could exchange ideas about magic and vampiric abilities.
One interesting fanfiction could be about Bella having special powers that Carlisle discovers and they go on a journey to understand them. It might involve them traveling to different vampire covens to seek knowledge.
Many Carlisle Cullen fanfics can be found on various fanfic websites. Some might delve into his medical career as a vampire, which is quite an interesting concept considering his immortality. He could use his centuries - long medical knowledge to help humans in unique ways, and fanfics often play with this idea, creating stories where he saves lives in extraordinary circumstances while also keeping his vampire identity a secret.