Fanfiction about Highschool DxD and Thanos: What could be the plot?

A possible plot could be Venelana going on a solo mission to uncover a mystery that has been plaguing the underworld. This mission could lead her to discover new allies and enemies, and along the way, she could learn more about her own strength and capabilities.

Well, the plot could involve Harry being a new transfer student to the Highschool DxD world and Gabriel being one of the first to befriend him. Maybe they team up to face some of the common threats in that universe, like the devils or fallen angels. They could also explore their own unique powers together and learn from each other.

The plot might involve Ichigo accidentally stumbling into the Highschool DxD universe while on a mission in the Soul Society. His godlike presence could disrupt the balance between the devils, angels, and fallen angels. He might be seen as a threat at first, but as they learn more about him and his noble intentions, they could start to work with him to face a common enemy that is emerging due to the new presence in their world.

One possible plot could be Naruto's unique abilities from the Naruto world being introduced into the Highschool DxD universe. For example, his shadow clone jutsu could be used in some creative ways during battles or school events. Maybe he uses it to attend multiple classes at once and ends up getting into comical situations.

Issei would probably be the first to want to fight Thanos. He's always eager to prove himself and protect his friends. He might initially underestimate Thanos due to his own growing power and confidence, but soon realize how powerful Thanos really is. Rias would be more cautious. She would likely try to gather information about Thanos first and then formulate a plan to either fight or negotiate with him.

The plot could involve Ben's aliens having an unexpected effect on the magic in the Highschool DxD world. His alien DNA might interact with the devil or angel powers in strange ways. For instance, if he transformed into Heatblast near a magic spell, it could cause the spell to go haywire. And his presence could also disrupt the power balance between the different factions in the DxD world, leading to new alliances and rivalries.

In a fanfiction where Naruto goes to Highschool DxD, he could introduce new concepts of chakra to the world. This would be really fascinating as the characters in DxD might try to incorporate it into their own powers. Naruto could also be a bit of a fish out of water, not fully understanding the social norms and hierarchies in Highschool DxD at first. But his kind heart would help him navigate through it all, and he'd end up changing the school environment in a positive way with his unique personality.

A simple plot could be that they compete in a school - wide tournament. Koneko's pride as a Nekoshou and Issei's determination to prove himself make for an interesting dynamic. They both face tough opponents and along the way, they offer each other advice and support, gradually becoming closer friends.

Well, a plot could involve Broly being part of a special program in the Highschool DxD setting. He might be there to learn about controlling his power in a more civilized way. As he tries to fit in, he could befriend some of the main characters from DxD. For example, he could team up with Issei and his friends to compete in some sort of school tournament that has magical and combat elements. This would lead to some epic battles and also some character development for Broly as he learns about friendship and cooperation.

Well, it could be about a kamen rider who enrolls in the highschool from DxD. Maybe he has to use his kamen rider powers to fight off devils or other supernatural threats that target the school. He could also form an unlikely alliance with some of the characters from DxD, like Issei and his friends.