One idea could be a crossover with Pokemon. Zatch could enter the Pokemon world and team up with a trainer. They could face challenges together like battling against Team Rocket and exploring new regions.
Definitely Goku from Dragon Ball. His super - strength and Saiyan powers would make for an interesting dynamic with Zatch's magic. They could have a friendly sparring match or team up against a common enemy.
One common theme is friendship. Since Zatch and Tia are friends in the original series, fanfictions often explore their friendship further, like how they support each other through tough times.
One frequent theme in 'zatch bell x penny fanfiction' is adventure. The two characters might embark on a journey together, facing various challenges along the way. Additionally, the theme of self - discovery can also be present. As they interact with each other, they learn more about themselves. For example, Penny might discover a new side of herself through her relationship with Zatch Bell.
One common theme is the confusion that comes with the body swap. Characters have to deal with being in a different body and all the challenges it brings, like not knowing how to use the new body's abilities.
One popular 'zatch bell zeno fanfiction' might be those that explore the deeper backstories of the characters. For example, a story could focus on Zeno's early life and how he came to be the way he is in the original series.
Social media groups related to 'Zatch Bell' can also be a good source. For instance, on Facebook or Reddit groups dedicated to the series, fans might post links to their 'zatch bell zeno fanfiction' or talk about their favorite ones.
In the end of the Zatch Bell manga, there's a big showdown and the story ties up loose ends. The characters grow and achieve their goals in a way that feels right for the story.
One great zatch bell and tia fanfiction is 'The Adventure of Zatch and Tia'. It shows them going on a quest together in a magical forest filled with strange creatures. The author does a great job of portraying their relationship and the challenges they face.