Well, the theme of forbidden love is very common. Their relationship is often seen as something that goes against the norms of society in the fanfic world. Also, self - discovery is a theme. Christine discovers more about herself as she navigates her feelings for Erik. And Erik also discovers a new side of himself through his love for her. The theme of sacrifice also appears, where either Erik or Christine is willing to sacrifice something for the other's happiness.
One common theme is redemption. Often, Erik is depicted as seeking redemption through his love for Christine. Another theme is the power of music, as it is a strong connection between them. For example, in many fanfics, Christine's singing can soothe Erik's tortured soul.
The theme of transformation is frequently seen. Erik may transform from a bitter and vengeful figure to a more loving and self - less one because of Christine. Another common theme is the exploration of beauty and ugliness, not just in the physical sense but also in terms of the soul. Their relationship challenges the traditional notions of beauty and how it relates to love. And the theme of hope, that their love can bring hope in a rather dark and gloomy world of the opera house.
Love is a very common theme. It could be the unrequited love that Erik has for Christine at first, or the evolving love between them. Another theme is redemption. Fans often write about Erik's journey towards redemption through his relationship with Christine. Also, the idea of acceptance, like Christine accepting Erik for who he is, is quite common.
One common theme is redemption. Erik often seeks redemption for his past actions through his relationship with Christine. For example, in many stories, he tries to prove that he can be a better person because of his love for her.
There's also the theme of sacrifice. Sometimes Erik sacrifices his own desires for Christine's happiness, and vice versa. It adds a layer of depth to their relationship. And the exploration of their different social standings, with Erik being an outcast and Christine being a more 'normal' part of society, is another common theme in these fanfictions.
Love and passion are very common themes. Since lemon often implies a certain level of romantic or sexual tension, these fanfictions usually explore the deep love between Erik and Christine in a more intense way.
Love and redemption are common themes. Since Erik has a troubled past, in many fanfictions, Christine's love redeems him. For example, in some stories, he learns to be more open and less vengeful because of her love.
Redemption is also a theme. Erik, being a complex and often misunderstood character, may seek redemption through his relationship with Christine. Fanfictions might explore how he tries to make up for his past wrongdoings, such as his threats and manipulations in the opera house.
The theme of acceptance is also prevalent. The reader accepts Erik for who he is, including his flaws, and this acceptance is crucial in their relationship. Additionally, there's often a theme of mystery. Erik's character is full of mystery, and the fanfic explores that mystery as the relationship unfolds.
Often, there are themes related to their powers and how they interact with each other because of that. For example, how Erik's magnetic powers and Charles' telepathy play into their relationship. There are also themes about redemption, like Erik trying to make up for his past actions while being supported by Charles. And sometimes, the theme of them teaming up against a common enemy in a way that deepens their bond.
Well, 'Phantom's Heart Unveiled' is an interesting Erik x Christine fanfic. In this story, Erik reveals his past to Christine in a very emotional way, which changes her perception of him. There's also 'Christine's Melody' where Christine uses her music to reach out to Erik's heart. And 'Erik's Second Chance' is about how Erik gets a second chance to prove his love to Christine after some misunderstandings.