One interesting plot could be Ash somehow getting a power - up that allows him to communicate with Arceus on an equal level. Maybe he discovers a new type of Pokémon energy that gives him this ability. Another plot could be that Arceus decides to test Ash to see if he's worthy of some great power or responsibility in the Pokémon world.
Well, there are several. For instance, a plot where Ash is transported to a different dimension where Arceus is the only Pokémon and he has to find a way to get back while also dealing with Arceus. Or a plot where Arceus is corrupted in some way and Ash has to save it and the Pokémon world. There could also be a plot where Ash and his Pokémon team are given a quest by Arceus to restore balance to the world after some great disaster.
In Gohan vs Naruto fanfics, a really cool plot is when their powers get combined somehow. For example, due to a magical or scientific accident, Gohan's ki and Naruto's chakra merge, creating a new and powerful force. Another interesting plot is when they have to fight in a world that has rules that are different from both of their own. This forces them to adapt in unique ways. Also, a plot where they are both de - powered and have to rely on their wits and basic fighting skills to compete can be very engaging.
Well, one interesting plot could be a friendly rivalry where they compete in a series of challenges. Maybe it's a race through a magical forest and along the way they both discover new abilities within themselves.
In a fanfic, Ash might have a chance against Arceus. Ash has proven time and again that he can adapt to different situations. He could potentially find a Pokémon's weakness or use some unorthodox strategy. However, Arceus is the creator of the Pokémon world. It has the ability to manipulate reality on a fundamental level. So, on paper, Arceus should win. But fanfics often play with the rules, so Ash could win through some plot - driven miracle.
One interesting plot could be a battle where Ash uses a new and unexpected strategy against Paul. Maybe he combines the powers of different Pokemon in a unique way that catches Paul off guard.
Well, in 'ash is arceus fanfiction', one interesting aspect could be the exploration of Ash's relationship with Arceus. Maybe it shows Ash in a new light, having some special connection or adventure related to Arceus. It could also be about how Ash's character develops in a scenario where he is closely associated with such a powerful and mythical Pokémon like Arceus.
It could be that Arceus betrays Ash by revealing that all of Ash's Pokemon encounters and relationships were fabricated. Arceus made it so that Ash would form bonds with certain Pokemon to further its own ends. For instance, Arceus wanted to study the power of friendship among humans and Pokemon through Ash's experiences. When Ash finds out, he feels used and betrayed. He might then set out on a journey to free his Pokemon from Arceus' control and restore their true free will.
One possible plotline could be Ash gaining unique powers from Arceus. For example, he might be able to communicate with all Pokémon in a more profound way. Another could be that Ash has a special mission given by Arceus to save the Pokémon world from a great threat. And perhaps he has to face challenges that test his new - found relationship with Arceus and the powers it has bestowed upon him.
Another plot could involve a trainer who discovers a strange connection between Arceus and a mysterious diaper - like artifact. As they explore this connection, they find out that it has something to do with an ancient power that was sealed away long ago. The trainer then has to protect Arceus and the artifact from evil forces who want to use this power for their own gain.
Well, one interesting plot could be about the conflict between Arceus and Giratina being resolved in an unexpected way in the fanfiction. Maybe they have to team up against a common enemy that threatens their world.
One interesting plot could be where Metallo somehow gets an upgrade that can disrupt Iron Man's technology. Then Iron Man has to rely on his wits and basic engineering skills to fight back. Another could be a scenario where Iron Man has to protect a city from Metallo without using his full - powered suit, making it a more challenging fight.