Another plot could involve the magic in Fairy Tail being combined with the spiritual powers in Bleach. For example, Lucy's celestial magic could interact with the zanpakuto spirits. She might be able to call upon a zanpakuto spirit as if it were a celestial spirit. This would create a whole new dynamic in battles and relationships between characters.
One idea could be that Ichigo from Bleach somehow ends up in the Fairy Tail world. He could join forces with Natsu and the gang to fight a common enemy. Maybe an Arrancar has escaped to the Fairy Tail universe and is causing chaos, and Ichigo's skills as a Soul Reaper are needed to stop it.
A more complex plot could be centered around a dark force that is trying to merge the two worlds of Bleach and Fairy Tail for its own malicious purposes. Characters from both series would have to work together, learn about each other's powers and cultures, and overcome their differences to defeat this threat. Some characters might struggle with the different concepts of power and morality in the other world.
A cool concept would be to combine the magic systems. So, the Soul Reapers' Kidou could be related to Fairy Tail magic in some way. For example, a Soul Reaper could teach some of the Fairy Tail mages how to use Kidou for a special mission against a common enemy that has the ability to disrupt both the Soul Society and the Fairy Tail world.
One interesting plot point is the clash of magic systems. In 'bleach and fairy tail crossover fanfiction', you often see how the spiritual powers from Bleach interact with the magic of Fairy Tail. For example, a shinigami's zanpakuto abilities against a Fairy Tail wizard's elemental magic can create some really intense battle scenes.
One interesting crossover idea could be a battle tournament where characters from both Bleach and Fairy Tail participate. For example, Ichigo from Bleach could face off against Natsu from Fairy Tail. Their different fighting styles, with Ichigo's zanpakuto and Natsu's dragon slayer magic, would make for an exciting showdown. Another idea could be a team - up scenario. Maybe some of the Soul Reapers and Fairy Tail mages have to work together to defeat a common, powerful enemy. This would allow for interactions between characters who have different powers and personalities, like Rukia and Lucy. They could learn from each other's magic systems and grow as characters during the adventure.
One interesting plot could be the characters from Fairy Tail and Bleach teaming up to fight a common enemy that threatens both their worlds. For example, a powerful dark mage from Fairy Tail's world teams up with a rogue Hollow from Bleach, and the heroes have to combine their unique powers to stop them. The Fairy Tail mages could use their magic, like Natsu's fire magic, while the Soul Reapers use their Zanpakuto abilities.
One idea could be that the Fairy Tail guild members are transported to the RWBY world. They could team up with Team RWBY to fight a common enemy like a new type of Grimm that is resistant to normal Huntsmen and Huntresses' attacks but vulnerable to Fairy Tail's magic. For example, Natsu's fire magic could be really effective against ice - based Grimm.
One idea could be that Naruto characters end up in the Fairy Tail world and have to participate in the Grand Magic Games. They could show off their ninja skills which would be a novelty there. Another could be a team - up where Fairy Tail mages and Naruto ninja join forces to fight a common enemy that threatens both their worlds, like an ancient evil that can travel between dimensions.
One idea could be that the characters from Danganronpa are transported to the Fairy Tail world. They could be forced to participate in a Grand Magic Games - like event where the losers face a 'punishment' similar to the Danganronpa executions. This would create a high - stakes and tense situation as the Danganronpa characters are not used to this kind of magic - based competition.
Well, a great plot for a Spyro and Fairy Tail crossover fanfic could involve Spyro's dragon powers being mistaken for a new type of lost magic in the Fairy Tail world. The Fairy Tail guild members might be intrigued and try to recruit Spyro. Meanwhile, Spyro is just trying to find his way back to his own realm. He could end up sharing some of his dragon skills with the mages, like his fire - breathing ability, which could be enhanced by Fairy Tail's magic, creating a whole new kind of power.
A cool plot might involve Gaara being a long - lost relative of a Fairy Tail member. Maybe his family had some connection to the guild in the past. As he tries to figure out this connection, he gets involved in a big adventure to save the guild from a powerful wizard who wants to destroy it. He could use his sand skills in ways that surprise the Fairy Tail wizards and they could teach him about their magic in return.
One idea could be that the characters from Fairy Tail and Magi team up to defeat a common, extremely powerful dark magic user. The mages from Fairy Tail could use their unique magic skills like Natsu's fire magic, while the Magi characters could utilize their dungeon - conquering abilities and djinn powers. For example, Alibaba could use Amon's power in combination with Gray's ice - make magic to create some really cool and powerful attacks.