Well, it could be chaos. Zeref's dark powers would likely disrupt the harmony of Fairy Tail at first. His presence might cause a lot of suspicion and fear among the guild members.
One possible plot twist could be that Zeref has an ulterior motive for joining. Maybe he wants to use the guild's resources to further his own dark plans.
Most of the Fairy Tail members would not take it well. Happy, Natsu's closest friend, would be extremely confused and sad. He'd follow Natsu around, trying to get him to come back to the guild. Makarov, the guild master, would see it as a huge threat to the guild's safety. He might send some of the stronger members to keep an eye on Natsu and Zeref. And the younger members like Wendy would look up to Natsu so much that they'd be very disappointed and scared for him, thinking that he's making a big mistake by joining Zeref.
In fanfiction, the idea of Mavis and Zeref having a child often leads to very complex and interesting storylines. Some fanfictions might explore the child's powers, which could be a combination of Mavis's magic and Zeref's unique abilities. For example, the child could have an extraordinary control over life and death magic, or possess some form of enhanced intelligence due to their parents' natures.
Well, it depends on the specific fanfiction. Some fanfictions do make Zeref and Natsu brothers. This can create some really cool plot twists. For instance, it could change how Natsu views his powers if he discovers he's related to Zeref. And it might also make Zeref more protective or possessive of Natsu in a different way than in the original story. It's a concept that allows for a lot of creativity in the fanfiction world.
The interaction between Mavis and Zeref in fanfiction is significant as it can add new dimensions to the Fairy Tail story. Their relationship can introduce new plotlines and character developments that might not be fully explored in the original series.
In fanfiction, the relationship between Mavis and Zeref can be complex. Some fanfictions might explore their connection in a more romantic light, delving into how their different natures, one being the powerful wizard and the other with his own dark powers, interact. It could be a story of star - crossed lovers, with their fates intertwined due to the overarching plot of Fairy Tail.
In Fairy Tail Zeref Familiar of Zero Fanfiction, one might expect to see unique interpretations of Zeref's powers. Maybe he gains new abilities or uses his existing ones in unexpected ways due to the influence of the 'Familiar of Zero' world. It could also be a chance to delve deeper into the lore of both series. Writers might create new backstories for Zeref that tie in with the concepts from 'Familiar of Zero'.
Yes, there are some really good Zeref stories in Fairy Tail. Zeref's backstory is quite fascinating. He was cursed with immortality and his actions throughout the series, like his relationship with Natsu, add a lot of depth to the overall plot.
If Kakashi were to join Fairy Tail, it would be an interesting mix. Kakashi is a highly skilled ninja from the Naruto universe, known for his Sharingan and diverse jutsu. In Fairy Tail, he'd likely bring in a whole new set of combat techniques. His calm and collected demeanor would contrast with some of the more boisterous members of Fairy Tail. He might also form interesting relationships. For example, he could bond with Erza over their shared combat experience and sense of justice. And his intelligence could be used to help plan strategies for the guild's battles.