Well, if Natsu adopted a child in fanfiction, it could be really interesting. The child would probably grow up to be strong, just like Natsu. Natsu would teach the child how to fight and use magic. And the child would also learn about the importance of friendship from Natsu and the rest of the Fairy Tail guild.
In a fanfiction where Natsu adopted a child, the child would likely have a very unique upbringing. Natsu is not exactly the most traditional or patient person. However, his passion and determination would be an inspiration for the child. The child might inherit Natsu's love for fire - based magic or develop their own unique form of magic under Natsu's guidance. The relationship between them would be complex, with Natsu having to learn how to be a responsible parent while still being true to his impulsive self. And the Fairy Tail guild would be like an extended family for the child, providing love, support, and plenty of opportunities for mischief and growth.
Natsu is hot - tempered. This could be both good and bad for the adopted child. On one hand, it would teach the child to be assertive. On the other hand, the child might also pick up some of Natsu's impulsive behavior. But overall, Natsu's loyalty and big heart would make the child feel loved and protected.
She could be a key figure in an ancient prophecy. For example, the prophecy might state that only the son of a certain dragon - slayer mother (Natsu's mother) would be able to defeat a great evil that threatens the Fairy Tail world. This would set Natsu on a path to discover his mother's identity and fulfill the prophecy.
Natsu could end up teaming up with some unexpected allies from Tartaros. Maybe there are some members who have a change of heart and decide to help Natsu fight against the more evil elements within their own organization.
One great 'Fairy Tail Child Natsu' fanfiction is 'Natsu's Childhood Adventures'. It delves into Natsu's early days in Fairy Tail, showing his interactions with the other members as a child. It's full of heartwarming moments and also some exciting battles against small - time villains.
In this kind of fanfiction, the kid might have some unique abilities. Since Natsu is a dragon slayer, the kid could have an enhanced form of dragon slayer magic or a combination of different magics. For example, the kid could have the ability to not only use fire like Natsu but also manipulate wind to make the fire more powerful.
If Natsu and Zeref join Fairy Tail in fanfiction, it would change the dynamic of the guild completely. The other members would have mixed reactions. Some might be distrustful of Zeref due to his past actions. However, as time passes, they could see the good in him. Natsu and Zeref together could attract a lot of attention from outside forces. Enemies might target Fairy Tail more because of their combined power. But also, they could inspire the guild to become even stronger, with everyone striving to keep up with their new powerful comrades.
In some fanfictions, if Natsu kidnapped Lucy, it could be a comical situation. Natsu might do it out of his own strange sense of protecting Lucy in an overzealous way. Maybe he thinks there's a danger that only he can keep her safe from, and his impulsive nature leads him to this 'kidnapping' which is more like a forced protection.
Natsu could bring a more fiery and passionate leadership style. He'd probably be more action - oriented than the previous masters. For example, if there's a conflict with another guild, he'd be the first one to charge into battle, leading by example.
Natsu could also be deeply hurt. He values his friends highly in Fairy Tail. If betrayed, he might isolate himself, doubting his own judgment in trusting people. This could lead to a period of self - discovery where he tries to figure out how to trust again. For example, he might recall the times when his friends in Fairy Tail were truly there for him and use those memories to heal and grow stronger in the face of this betrayal.
Well, in fanfiction where Natsu leaves the guild, he could become a sort of lone wolf. He might travel to far - off lands to discover more about his dragon - slayer powers or his past. This could lead to him meeting new and powerful allies or enemies. Without the support of the guild, he would have to rely solely on his own strength and wits. It could also make him a more serious and hardened character, as he no longer has the safety net of his Fairy Tail family.