It's hard to say. Ainz Ooal Gown has a vast array of powerful magic spells at his disposal. However, Ben when he transforms into Alien X could be extremely powerful as well. Alien X has reality - warping abilities. But Ainz has his intelligence and strategic thinking. So it could really go either way depending on the situation.
One idea could be to have the characters from 'Overlord' end up in a different anime world like 'Sword Art Online'. They could interact with the SAO characters, with Ainz Ooal Gown perhaps trying to establish his own guild in the SAO world. Another idea is to cross 'Overlord' with 'Naruto'. Picture the undead minions of Ainz in the Hidden Leaf Village, causing chaos and confusion among the ninja.
It could be really cool. Picture the powerful beings from Overlord in the world of Ben 10. Maybe Ainz Ooal Gown could use his magic against some of Ben's alien forms. The different power systems would create some interesting battles and interactions. For example, how would Ainz deal with an opponent like Four Arms? And how would Ben react to the undead hordes that Ainz commands? There are so many possibilities for epic crossovers in this fanfiction concept.
Ainz Ooal Gown would be a very interesting character to focus on. He has a complex personality and his vast power makes him stand out. In a crossover, seeing how he adapts to a different anime world's rules and cultures would be fascinating. He could be the catalyst for many interesting plot developments.
The novelty. It combines two different fictional universes. For example, when Overlord crosses with another anime like Fairy Tail, you get to see magic from two very different perspectives interact.
Sure. One popular 'Overlord Anime Crossover Fanfic' is the one where Overlord characters cross over with characters from Sword Art Online. It creates really interesting scenarios where the different power systems and character personalities interact in unique ways.
I didn't know that Overlord Lover was the name of a novel, nor did I know if there was an animation. If you can provide more information or context, I will try my best to answer your questions.
One great 'Naruto Crossover Overlord' fanfic is 'Naruto in the World of Overlord'. It has an interesting plot where Naruto is transported to the Overlord universe and has to adapt to its rules and power systems. His ninja skills create a unique dynamic in the new world.
One common theme is the exploration of Shalltear's power. Since she's a very powerful character in the Overlord universe, many fanfictions like to test her limits when she's in a crossover situation. Another theme is loyalty. Shalltear's loyalty to Ainz is a big part of her character, and in crossovers, this loyalty often gets challenged or reaffirmed in different ways. For example, in some crossovers, she has to choose between following Ainz's commands and doing what she believes is right in the new world she's in.
Well, there's a 'Overlord Crossover Fanfiction' that combines it with 'Fullmetal Alchemist'. In this, the alchemic concepts of 'Fullmetal Alchemist' are pitted against the magic and power structures in Overlord. It's really cool to see how the characters from both worlds adapt to each other's rules. There's also a crossover with 'Attack on Titan' which brings in the element of the Titans into the world of Overlord, creating a lot of intense and unique battle situations.