Perhaps it's a story where they meet in a neutral dimension. Doomguy is a bit skeptical of Quakeguy at first because he's used to fighting alone. But Quakeguy is more open - minded. They start sharing stories about their battles, and as they do, they discover that there are some dark forces working in the background trying to disrupt the balance between their worlds. So, they decide to join forces to stop these forces before it's too late.
The plot might involve them initially being rivals. Doomguy, with his brute force and tenacity, and Quakeguy, known for his agility. They could start off competing but then realize they need to work together. For example, they might find out that a new type of demon is emerging that has characteristics of both the Doom and Quake universes' foes. So, they combine their skills, Doomguy's experience in close - quarters combat against demons and Quakeguy's ability to navigate complex and dangerous terrains quickly, to take on this new threat.
It could be Doomguy. He has that no - nonsense, brute - force approach that often overpowers opponents.
In a 'doomguy in rwby fanfiction', Doomguy could be a mysterious figure that the RWBY characters hear rumors about. He's said to be this super - powerful warrior from another realm. Eventually, they cross paths. Doomguy has a hard time adjusting to the more colorful and magical world of RWBY at first. But as he gets used to it, he starts using the resources of this new world, like Dust, to enhance his weapons. His presence also changes the dynamics of the relationships between the RWBY characters as they all learn from his no - nonsense attitude towards fighting.
Well, it could be about them teaming up to fight some sort of super - evil that combines the threats from both their worlds. Maybe some demons are using goblins as minions and they have to work together to stop this chaos.
Well, it could be about Will going on an adventure in the Underworld and meeting Hades by accident. Maybe he's there to rescue someone or he got lost. And then they have an interesting conversation where Hades reveals some secrets about the Underworld.
Well, it could be about Rick and RJ having an unexpected encounter and then going on an adventure together. Maybe they discover a new world or face some kind of mystery.
One possible plot could be that Naruto is on a mission in Iwa and runs into Kurotsuchi. They initially have a bit of a misunderstanding and end up in a small fight. But then they realize they are both after the same goal, which is to stop a group of rogue ninjas who are stealing Iwa's precious artifacts. They then team up, with Naruto teaching Kurotsuchi some of his unique jutsu and Kurotsuchi showing Naruto some of Iwa's hidden techniques.
Well, it could be that Marinette accidentally discovers Plagg while looking for something in Adrien's room. Plagg might initially be wary but then realizes Marinette's kind heart. They could team up to play a prank on Chat Noir.
Well, perhaps in the fanfiction, Naruto is in a spiritual realm and meets Amaterasu there. Amaterasu could be in trouble, her powers waning due to some dark magic. Naruto, with his never - give - up attitude, decides to help her. He uses his shadow clones to search for the source of the problem while Amaterasu shares some of her ancient wisdom with him. In the end, Naruto manages to restore Amaterasu's power and in return, she bestows upon him a new type of chakra that gives him an edge in his battles back in the real world.
In this fanfiction, perhaps Jiraiya didn't actually die. He was in a hidden place recovering from a serious injury. When he meets Naruto again, Naruto is shocked but overjoyed. Jiraiya then shares his newfound knowledge and powers with Naruto, and they team up to take on a powerful organization that threatens the Hidden Leaf Village. Jiraiya could teach Naruto some advanced Sage Mode techniques that he had been working on during his absence.
It could be about Paige finally getting to meet Prue in a magical realm. Maybe Prue's spirit is summoned by the Elders to help Paige with a powerful dark force. They might start off as a bit wary of each other, but then realize they can combine their powers in unique ways to save the day.