One great 'Game of Thrones and Warcraft Fanfic' is 'The Westeros - Azeroth Connection'. It combines the political intrigue of Game of Thrones with the fantastical races of Warcraft. Another interesting one could be 'A Song of Elves and Men in Azeroth' which plays with the character types from both universes.
Yes, there are quite a few. You can start by looking on fanfiction websites like Archive of Our Own. Some fanfics combine the complex political intrigue of Game of Thrones with the rich fantasy world of Warcraft, creating unique and engaging stories.
Writers blend the two universes by combining the magic systems. In Game of Thrones, we have magic like the wildfire and the warging ability. In Warcraft, there's arcane magic, druidic magic etc. A fanfic might have a character who can use both the warging ability from Game of Thrones and druidic magic from Warcraft, creating a really unique power combination. They also use the geography. Maybe a fanfic has a portal opening between the Seven Kingdoms and Azeroth, and then characters from both sides start exploring the other world. This allows for a lot of interesting interactions and conflicts.
The battle for territory is common to both. In Game of Thrones, the Seven Kingdoms are constantly at war over land. Similarly, in Warcraft 3, races are fighting to control regions of Azeroth. For example, the Humans try to defend their kingdoms from the encroachment of the Orcs. Also, both stories have elements of betrayal. In Game of Thrones, there are numerous instances of characters turning on each other, like the Red Wedding. In Warcraft 3, Arthas betrays his own people and becomes the Lich King.
One popular trope is the 'fish out of water' story. For example, a character from Game of Thrones suddenly appears in the Warcraft world and has to adapt to its strange new rules, magic, and races. Another is the 'power - up' trope. A relatively weak character from either universe gains extraordinary power in the other universe's context. For instance, a peasant from Game of Thrones might discover they have a natural affinity for Warcraft's shamanistic magic and become a powerful force.
Power struggles are quite popular. Just like in both the original Warcraft and Game of Thrones, the fight for dominance is a central theme. In fanfiction, it could be about a character from Warcraft trying to gain power in the Game of Thrones setting, or vice versa.
In Game of Thrones, character development is often driven by the political and social environment. For example, Sansa Stark starts as a naive girl and becomes a shrewd player in the game of thrones due to the hardships she faces. In Warcraft 3, Arthas' development is more about moral decay. He goes from a valiant paladin to a malevolent Lich King because of his choices and the influence of the cursed blade Frostmourne.
One popular theme is the crossover of characters. For example, imagining how a character from Game of Thrones would fare in the World of Warcraft universe or vice versa. Another theme is exploring uncharted storylines. In Game of Thrones fanfiction, it could be about what might have happened if a certain character didn't die. In World of Warcraft fanfiction, it might be about new adventures in unexplored regions. And power struggles are also common. Just like in the original works, fanfiction often delves into who will gain power and how they will use it in these fictional universes.
Yes, there will likely be more. 'Game of Thrones' has a huge and passionate fan base. Even though the show has ended, the rich world created by George R. R. Martin continues to inspire fans. New readers are constantly discovering the books and the show, and this influx of new fans often leads to more fanfiction. Additionally, there are still many untold stories and character arcs that fans love to explore in their own writing.