Well, it could be amazing. You might wish for powerful jutsu right from the start. For example, you could wish for the Sharingan to be able to compete with the strong characters in the Naruto world. Then you could use it to quickly learn new techniques and become a respected ninja.
Often in such fanfictions, there will be an antagonist as well. This could be a power - hungry entity in the twilight world who doesn't want the main character to succeed in using their wishes for good. The main character could be a person with a kind heart who is trying to bring positive change to the twilight realm. There might also be some side characters, like the main character's friends from their past life who are somehow connected to the new world and play important roles in the story.
To survive the first season in 'Reborn in Game of Thrones with Wishes', one must first use wishes wisely. For example, wishing for a basic understanding of the political situation in Westeros could be crucial. Also, try to make allies early on. Maybe wish for some kind of special skill that can impress the right people, like being an excellent healer. Avoid getting involved in the major power struggles too soon, as a newcomer is likely to be crushed. Instead, observe and learn from the sidelines.
One interesting plot could be the main character being reborn with some unique powers that they didn't have before. For example, they might be able to control the elements in the twilight world, which leads to all sorts of adventures and challenges as they try to use their powers for good. Another plot could involve the character making wishes that have unforeseen consequences. Maybe they wish for a peaceful world, but in doing so, they accidentally disrupt the natural balance of the twilight realm.
It could be really exciting. You might wish to be a powerful vampire right from the start. Maybe have the ability to compel anyone easily. And you could use your wishes to change the fates of some characters, like saving those who die in the original story.
The most useful wish could be for immunity to all diseases in Westeros. Given the prevalence of various plagues and illnesses in the Game of Thrones world, this would be a huge advantage. It would not only keep you alive but also make you valuable to others who might seek your protection or knowledge about staying healthy.
One great'reborn with wishes fanfiction' could be 'A New Start with Wishes'. It often has interesting plot twists where the character is reborn and uses their wishes in unexpected ways to change their fate.
One interesting plotline could be the main character using their wishes to change some of the major events in the Harry Potter universe. For example, they might wish to prevent certain characters from dying. Another could be using a wish to gain a special power that helps them in their adventures at Hogwarts, like being able to communicate with magical creatures more easily.
Well, it really depends on how the author writes them, but Draco Malfoy can be a very popular character in this type of fanfiction. In some stories, the reborn character might use a wish to change Draco's personality or his family's stance in the wizarding world. This can lead to some really interesting character development for Draco. Another character could be Dumbledore. The reborn character might wish to have a different kind of relationship with Dumbledore, perhaps getting more guidance from him earlier on, and that makes Dumbledore an important and popular figure in these stories.