What are some interesting plot ideas for a 'bleach and soul eater crossover fanfic'?

Another plot could involve a character from Soul Eater accidentally getting a Hollow - like power and the characters from Bleach having to help them control it. This would be a great way to explore the different power systems in both universes. Soul Eater characters could learn about the inner world of the Zanpakuto from the Bleach side, and in return, the Bleach characters could gain insights into the complex relationships between meisters and their weapons.

One idea could be that Naruto characters are transported to the Soul Eater world. Naruto's determination could be a great asset in the battle against Kishin Eggs. He might use his shadow clones to surround and overpower the enemies. Another plot could involve the weapons from Soul Eater trying to learn Naruto's ninjutsu. For example, Soul could be interested in the Rasengan and try to incorporate it into his fighting style. Also, Maka's strong sense of justice would blend well with the Naruto characters' values, and they could team up to take on powerful foes together.

Maybe Mifune's code of honor clashes with the more chaotic and rule - bending nature of some of the Soul Eater characters. For example, he might not approve of how Black Star is so eager for glory and fame without following proper protocol. This could lead to interesting character development and story arcs for both sides.

Perhaps in this crossover, Asura's power is somehow transferred to one of the weapons in the Soul Eater world. This weapon then becomes an uncontrollable force, and the meister has to find a way to either contain or purge the Asura - like power within it. It could also cause a rift between the meister and their friends as they struggle to deal with this new, dangerous situation.

One idea could be exploring the backstories of the lesser - known characters in the Soul Eater world. For example, the story of how some of the minor meisters and weapons got to the Death City. Another idea is a 'what - if' scenario, like what if Maka and Soul never became partners? You could also create a fanfic where the characters have to face a new type of enemy that is not related to kishin eggs but something completely different, like an alien invasion of the Death City.

One idea could be that the Fairy Tail mages are sent to the world of Soul Eater on a mission. They could team up with the students from the DWMA to fight a common enemy, like a powerful dark mage who has somehow made a pact with a Kishin. The Fairy Tail members' magic could interact in unexpected ways with the Soul Eater weapons and Meister abilities. For example, Natsu's fire magic might enhance the power of a fire - based weapon in Soul Eater.

One idea could be that the characters from Fairy Tail and Soul Eater end up in a shared world where they have to team up to defeat a new, powerful dark force. For example, Natsu from Fairy Tail and Maka from Soul Eater could form an unlikely duo, with Natsu's fire power and Maka's scythe - wielding skills combining in unique ways during battles.

Perhaps there could be a plot where the two main characters, Ciel and Maka, swap their partners. So Maka has to deal with Sebastian's sly and demonic ways while trying to achieve her goals in the Black Butler world. And Ciel has to work with Soul, a weapon with his own personality. This would force both characters to adapt to new situations and learn from each other's worlds.

Ichigo and Maka would be an interesting pairing. Ichigo is a powerful Soul Reaper with a strong sense of justice, and Maka is a determined Meister. They could learn a lot from each other's fighting spirit. Another great pairing could be Soul and Rukia. Soul's laid - back yet powerful nature combined with Rukia's cool and collected demeanor would make for some interesting interactions. And also, Death the Kid and Byakuya could be an intriguing pair. The precision - loving Kid and the stoic Byakuya would have a lot of contrasts and potential for character development.

A cool plot could involve the Death Scythes in Soul Eater being interested in the power of the tailed beasts in Naruto. Meanwhile, some of the Akatsuki members from Naruto cross over too and form an alliance with the witches in Soul Eater to try and take over both worlds. Naruto and his friends from Konoha, along with the good guys from DWMA, must then join forces. The story could explore how different characters from the two universes interact, like how Sasuke might react to the unique power system in Soul Eater, or how Black Star would challenge Naruto to a competition of strength.