Add a lot of mystery. Don't reveal all the details of the deal right away. Let the readers wonder what exactly the devil is getting out of it and what the full implications of the deal are for the character. For example, if the deal is about getting revenge on someone, make the revenge seem simple at first but then show how it spirals out of control.
Gon could be a likely character. He is extremely determined and has a strong sense of justice. In a situation where he is faced with an impossible task, like saving a dear friend who is on the verge of death, he might be tempted to make a deal with a devil. Another one could be Hisoka. He is always seeking power and new thrills. A deal with a devil to gain some unique and powerful Nen ability would be something that might appeal to him. Killua is also a possibility. He has a dark past and has always been in a struggle between his good side and the assassin training he received. If he thought a deal with a devil could protect his friends or atone for his past sins, he might consider it.
I'm not sure specifically as there could be many novels with such a title. Generally, it might be about a character who makes a pact with the devil, perhaps in exchange for power, wealth, or to achieve some impossible goal. This often leads to a series of events where the character has to face the consequences of their deal, like moral dilemmas and unforeseen challenges.
I'm not sure who the author of the 'i made a deal with the devil novel' is. There could be many self - published or relatively unknown authors with a novel by this name.
They would rely on the unity of the village. Naruto and Sasuke would have instilled a sense of loyalty and brotherhood among the villagers. So when faced with external threats, everyone would be ready to fight. They would also study their enemies' weaknesses. Sasuke's intelligence - gathering skills and Naruto's ability to read people would come in handy. They might develop new jutsus specifically to counter the threats they face, making their village a tough nut to crack in the ninja world.
In many such novels, the girl starts to question the morality of her deal as she realizes the consequences. For instance, if she made the deal to save someone she loves but then has to do bad things. It makes her think about whether the end justifies the means. And also, she has to consider if she can live with the guilt of her actions. These novels use the girl's journey to explore concepts like good and evil, and the price of power. They make the readers think about their own moral boundaries.
It could be a new character created specifically for the fanfic. Maybe a powerful and malevolent spirit that has been lurking in the shadows of the Naruto world.
The devil could be a new, mysterious character created specifically for the fanfiction. It might be an ancient evil entity that has been lurking in the shadows of the Naruto world for ages.
First, understand his interests. If he loves sports, a deal could be based on achieving a certain athletic goal. For instance, if he runs a mile in under a certain time, you could get him new running shoes. This shows that you support his passion.
In 'A Deal with the Devil' short story, it often involves a character making a pact with the devil for some desired outcome. Usually, the devil offers something tempting like wealth or power. However, there are always hidden costs and consequences. For example, the character might lose their soul in the end. This type of story is a classic moral tale, warning people about the dangers of greed and making unethical bargains.