One possible plotline could be Shirou finding himself in Westeros and using his skills as a swordsman to get involved in the power struggles. Maybe he becomes a knight in someone's service.
Another plotline could be that Shirou is mistaken for a long - lost heir to one of the great houses. He then has to navigate the complex web of politics, alliances, and betrayals while also trying to uphold his own values. This could lead to all sorts of interesting interactions with the existing Game of Thrones characters, from the noble Starks to the cunning Lannisters.
Sure. You can start by looking on fanfiction.net. There are often many works that combine different universes like this. Just search for 'Shirou Emiya Game of Thrones' in the search bar, and you'll likely find some interesting stories.
One possible plotline could be Shirou finding himself magically transported to the Harry Potter world. He might use his skills in magic and combat from his own world to help Harry and his friends in their battles against Voldemort. For example, Shirou's ability to project weapons could be a unique advantage in the wizarding world.
One interesting plotline could be Shirou using his gamer skills to quickly analyze and defeat opponents in the Holy Grail War. For example, he might see the battle scenarios as levels in a game and use strategies he learned from gaming to outwit his enemies. Another could be him leveling up his own abilities in a way similar to how a gamer levels up a character, perhaps unlocking hidden powers within himself that were previously unknown.
Shirou might develop better teamwork skills. In multiplayer games, he'll need to cooperate with others. This could be a big change for him as he's often used to working alone. He'll learn to trust his teammates and communicate effectively, which will in turn make him a more well - rounded person in both the gaming and real - world scenarios.
Another plotline might involve a Reyne character getting involved in the political intrigue at King's Landing. They could use their knowledge of the Lannisters' past deeds against House Reyne to manipulate the situation and gain power for themselves and their house.
One possible plotline could be a character's accidental transformation. For instance, a young character exploring an ancient ruin stumbles upon a magical artifact or spell that causes them to transform into a dragon. This then sets them on a journey to find a way to reverse it or to use their new form for good.
One possible plotline could be the characters in the afterlife having to atone for their sins. For example, characters like Joffrey might face some sort of punishment or redemption arc in the afterlife realm. Another could be the great heroes of Westeros coming together to fight against some new threat that exists even in the afterlife. Maybe they have to stop a dark force from spreading chaos among the souls. And perhaps the Starks and Lannisters could put aside their differences and work towards a common good in this afterlife scenario.
One plotline could involve Clark Kent trying to find a way back to his own universe while being stuck in the Game of Thrones world. Along the way, he might form alliances with characters like Jon Snow or Daenerys. He could teach them about his values of truth and justice, and in return, they could teach him about the ways of Westeros. He may also have to face challenges from the various magical elements in the Game of Thrones world, such as the Children of the Forest or the Three - Eyed Raven.
Well, it's very likely. Since Naruto and Shirou Emiya come from two different yet highly popular anime/manga universes. Fans love to create crossovers in fanfiction to see how characters from one world would interact in the context of another. Some of these fanfics might be really well - written and offer interesting takes on how Naruto could be like Shirou Emiya, perhaps in terms of their personalities, goals, or even their powers if some creative liberties are taken.
His projection magic might be affected by the different magical rules in the Highschool DxD world. Maybe it becomes more powerful or has some new limitations. For example, projecting holy swords could have a different energy cost or be more effective against certain types of devils or fallen angels.