In 'jack frost x pitch fanfiction', their relationship is often complex. It could be a rivalry at first, with Pitch representing darkness and Jack Frost being more of a free - spirited, fun - loving character. Their interactions might be filled with tension as they have different goals. Pitch may try to spread fear and darkness, while Jack Frost is all about bringing wintery fun.
One common theme is the battle between light and dark. Jack, often representing light or good, and Pitch, representing darkness, are pitted against each other, but then there's a development where they start to understand each other more.
Another theme is the power of forgiveness. In some stories, Pitch has done bad things in the past, and Jack has to decide whether to forgive him. This theme adds depth to their relationship and shows the characters' growth.
Common themes in Pitch x Jack yaoi fanfiction often include power dynamics. Since Pitch has his own dark powers and Jack has his ice powers, how they interact with each other in terms of power can be interesting. There might also be themes related to isolation. Both characters may have felt alone in their own ways before finding each other, and the fanfiction could explore how their relationship helps them feel less isolated and more connected to the world around them.
A prevalent theme is the power struggle. Given their different natures, they often fight for influence over the world or over certain characters. Also, friendship or an unexpected bond can be a theme. As they interact more, a sense of camaraderie might develop despite their initial differences. This can make for some interesting character development in the fanfiction.
I'm sorry, I don't have specific Pitch x Jack yaoi fanfiction to recommend directly. You can try searching on some popular fanfiction websites like Archive of Our Own (AO3). There are usually a large number of works in various categories and pairings.
One major theme is the exploration of power dynamics. Jack Frost has his own set of powers over winter, and Pitch Black has his control over nightmares. In fanfictions, they often come into conflict or cooperation based on these powers. Also, the theme of isolation is present. Both characters can be seen as isolated in their own ways, and when they interact, it's about breaking down those barriers of isolation. There's also the theme of acceptance, accepting each other's differences and the role they play in the world.
Romance is also quite common. Writers often explore the idea of a relationship between Pitch and Jack Frost. It could be a slow - burn romance where they gradually fall in love over time.
Since I'm not deeply familiar with this specific fanfiction pairing, but generally in such pairings in fanfiction, themes like forbidden love can be common. Given the nature of the two characters, there might be a theme of light vs. dark, and how their relationship bridges that gap.