One idea could be an Atreus crossover with the world of Harry Potter. Atreus could be a new student at Hogwarts, bringing his own unique skills and knowledge from his Norse mythology background. He might struggle to adapt to the magic of the wizarding world while also showing off his own combat and survival abilities.
A crossover with the Lord of the Rings could also be great. Atreus could find himself in Middle - earth. He could interact with the hobbits, dwarves, and elves. His relationship with his father in his own story could be paralleled with the relationships in Middle - earth. Maybe he helps Frodo on his journey to destroy the One Ring, using his own wilderness skills to guide them through dangerous terrains.
Well, for 'god of war atreus crossover fanfiction', you could do a crossover with other video game characters. Say, Atreus meets Link from The Legend of Zelda. Link could teach Atreus some of his unique combat skills, and they could go on a quest together in a merged world of Hyrule and the God of War world. Or, a crossover with Assassin's Creed. Atreus might get involved with the Assassins and Templars' conflict, learning about their different ideologies. And then there's the idea of a crossover with Final Fantasy. He could encounter a group of summoners and learn about their magic system.
A possible plot for an Atreus and Percy fanfic could be centered around a prophecy. The prophecy states that only the combined strength of a Norse and a Greek hero can stop an ancient evil from awakening. Atreus and Percy are brought together by this prophecy. At first, they are skeptical of each other because of their different backgrounds and ways of doing things. However, as they start to face the challenges related to the prophecy, such as deciphering ancient texts and fighting off minions of the evil, they gradually learn to trust and rely on each other. In the end, they succeed in preventing the evil from rising, and their friendship becomes a legend in both their worlds.
For this 'god of war atreus crossover fanfiction', characters like Beowulf would be a great crossover. Beowulf is a heroic figure in Anglo - Saxon literature, and his encounter with Atreus could be a clash of two different heroic cultures. Another one is Aragorn from The Lord of the Rings. Aragorn's leadership and Atreus' growth as a young hero could make for an engaging story. And don't forget about Dante from Devil May Cry. Dante's flamboyant fighting style and Atreus' more reserved Norse combat style could create a really fun dynamic in a crossover.
One interesting Kratos and Atreus fanfiction could be about their adventures in a new, uncharted realm. They might encounter strange creatures and have to use their combined skills to survive. For example, a story where they come across a land filled with ice giants and have to figure out how to defeat them without freezing to death.
One interesting idea could be a crossover with "Moana". Elsa's ice powers and Moana's connection to the ocean could create a really cool dynamic. Maybe Elsa accidentally freezes part of Moana's ocean and they have to work together to fix it. Another could be with "Tangled". Rapunzel's long hair and her adventurous spirit combined with Elsa and Anna's journey in Frozen 2 would be exciting. Rapunzel could use her hair to help them climb mountains or cross chasms. A third idea is a crossover with "Beauty and the Beast". Belle's love for books and knowledge could help Elsa understand more about her powers and the history of magic in the Frozen world.
One interesting fanfiction could be about Atreus' further adventures in the Norse realms. He might encounter new mythical creatures and have to use his growing powers to overcome challenges. For example, he could come across a hidden valley filled with ice giants and have to find a way to either defeat them or make peace. Another could be a story where Atreus travels to other realms outside of Norse mythology, like the Greek or Egyptian realms, and how he adapts to those new and strange environments.
A Rambo crossover fanfiction could involve him crossing over into the Star Wars universe. Rambo's guerilla warfare tactics could be interesting in a galaxy far, far away. Maybe he helps the Rebel Alliance in a ground - based battle against the Empire. Or a crossover with the Predator series. Rambo would be a worthy opponent for the Predator, and the fight between them in the jungle could be epic. Also, a Rambo and John Wick crossover would be intense, two highly skilled fighters on the same side or perhaps initially at odds.
One idea could be a crossover with a modern military setting. The Decepticons could be trying to steal advanced military technology. Another is a crossover with a post - apocalyptic world where they are competing with other factions for resources. A third could be a crossover with a magical realm, with the Decepticons trying to harness the magic for their own evil purposes.
One idea could be a crossover with Naruto. Kakuzu could be sent to the Naruto universe and form an unlikely alliance with a shinobi village to fight a common enemy, like the Akatsuki from his own world turned rogue in the new universe. This would create a lot of interesting character dynamics and battles.
Another option is a crossover with 'The Little Mermaid'. The characters from the descendants could meet Ariel and her friends underwater. Evie might be interested in the mermaid fashion and could design new outfits inspired by the underwater world.