Ace can fit into the Fairy Tail storyline by being a special guest - like character. He could arrive in the Fairy Tail world through some sort of magical portal or spell gone wrong. His presence then disrupts the normal flow of things in the guild, creating new story arcs.
He might also be integrated as a new member of the guild. Given his strength and unique abilities, he would immediately become a valuable asset. His interactions with the existing members, like Natsu, could be really interesting. They both have a connection to fire - related powers, and their rivalry or friendship could be a central part of the fanfiction.
Gaara can fit in by being a powerful addition to the Fairy Tail guild. His sand - based powers can be a great asset in battles. For example, he could use his sand to shield the guild from attacks or to capture enemies. He might also bring a different perspective to the guild, as he has a more solemn and introspective personality compared to some of the more boisterous Fairy Tail members.
He could be the new rising star. He might start off as a bit of an outcast because he's new and has different ways of doing things. But as he shows his strength and loyalty, he quickly becomes an important member. For example, he could be the one to solve a really difficult mission that the guild has been struggling with, earning everyone's respect.
Tsuna in Fairy Tail fanfiction? He would be a great addition. His character is all about growth and adaptation, which is a big part of the Fairy Tail spirit. He could start as an outsider, just like how some characters join the guild later. His unique powers would surely attract attention. The Fairy Tail guild is known for accepting different types of magic and people. Tsuna's kind heart and his determination to protect his friends would resonate with the guild members. And his journey to become stronger could be intertwined with the various storylines and adventures already present in the Fairy Tail world.
In fanfiction, mugetsu ichigo can fit in by being a mysterious new power. He could be a character that arrives suddenly and shakes up the power dynamics in the Fairy Tail world.
Well, if Lucy is pregnant in a Fairy Tail fanfiction, it could add a whole new layer of drama. It might make the other characters more protective of her. For example, Natsu could become even more determined to keep her safe from any threats. This could also lead to changes in the guild's dynamic, as they would be looking out for not just Lucy but also her unborn child.
Well, chaos time in Fairy Tail fanfiction can completely disrupt the normal flow of the story. It might bring unexpected plot twists. For example, it could make characters' powers go haywire or change the relationships between them. It can also introduce new and strange magical elements that are not in the original Fairy Tail world.
Well, in such a fanfiction, the storyline might develop with Naruto's immortality bringing new challenges to the Fairy Tail world. Maybe he has to deal with dark guilds in a different way because he can't be killed easily. His ninja skills could also blend with the magic in Fairy Tail, creating unique combat styles.
Naruto would probably fit into the Fairy Tail guild quite well. He has a big heart and is always eager to make friends, which is a common trait in Fairy Tail. His loyalty would also be a great asset to the guild. He could be like the new, energetic member who is always ready for an adventure.
The overall mood of the story would change. It would become more somber. There would be a sense of loss. And it might lead to a quest to bring Naruto back. Maybe some of the Fairy Tail members would go on a journey to prove Naruto's innocence or to find a way to make the guild accept him again. This would open up new story arcs and adventures in the fanfiction.
It can completely change the mood. If Gajeel dies, it brings a sense of gloom to the usually upbeat Fairy Tail world. The guild members would be in mourning, and their actions would be centered around avenging his death or dealing with the loss. For example, Pantherlily might go on a quest for justice.