Rimuru is more likely to win. He has shown extraordinary powers throughout the light novel. His ability to quickly adapt and his vast array of skills give him an upper hand.
Among the main characters besides Rimuru are Gobta. He is a goblin who is rather comical at times but also shows growth throughout the story. Then there is Diablo, a very powerful demon who becomes Rimuru's subordinate. His power and knowledge contribute to Rimuru's rise in the world of the novel. There are also other characters like Milim, a dragonoid with a child - like personality who has her own impact on the overall plot.
Milim Nava is an interesting character. She is a powerful Demon Lord with a child - like personality. She often gets involved in Rimuru's adventures in unexpected ways. Then there's Shion. She is a hobgoblin with great loyalty to Rimuru. Her over - the - top reactions and her growth in strength and character add a lot of fun to the story.
There's Veldora. He's a powerful dragon sealed within Rimuru's stomach at first. His presence has a great impact on Rimuru's growth and the story. Then there's Shion, a strong ogre who becomes one of Rimuru's loyal followers. She's known for her combat abilities. Also, Benimaru, a kijin, is an important character. He plays a key role in the development of Tempest.
One aspect of Vegito and Female Gogeta fanfiction could be the exploration of their unique power combinations. In these fanfictions, writers might create scenarios where they team up against a powerful enemy. For example, they could face a new, extremely strong villain that neither could defeat alone. Their combined strength and different fighting styles would make for an exciting story.
Rimuru is very strong in the manga. He starts off with some unique abilities and keeps getting stronger through different events and encounters. His strength is not just physical but also in his strategic thinking and leadership skills.
One common theme is the power dynamic. Since Gogeta is very powerful, female characters in the fanfiction might either be in awe of his power or strive to match it. For example, a female Saiyan could train hard to be as strong as Gogeta.
Another theme is the exploration of power. Since Gogeta is extremely powerful, in these fanfics, the female character might either be in awe of his power or strive to match it. For example, some fanfics show the female character training hard to reach Gogeta's level of strength.
One common theme is the exploration of their relationship, whether it's a friendship or something more complex. Another theme is the role of Bulma in Gogeta's more action - packed world. For example, in some fanfics, Bulma uses her intelligence to help Gogeta in battles. Also, the idea of how their two different personalities interact is often explored.