Well, in a 'naruto is doomguy' fanfiction, Naruto would find himself in a completely different and much darker world than his own. He'd have to quickly learn how to handle Doomguy's arsenal of weapons. His natural athleticism and combat skills as a ninja would be put to the test in a new way against the demonic hordes. The story could also involve Naruto trying to find a way back to his own world while dealing with the constant threat of the demons. It could be a story of adaptation, survival, and heroism as Naruto tries to use his unique skills to fight in a world that's not his own.
There's a fanfic called 'Doomguy in the Hidden Leaf'. In this one, Doomguy gets transported to the Naruto universe. It's interesting to see how he interacts with the different ninja clans, especially when his no - nonsense attitude clashes with the more traditional ways of the Leaf Village. It's a short but engaging read.
Yes, there might be. Fanfiction writers often come up with the most unexpected crossovers. In a 'naruto is doomguy' fanfiction, one could imagine Naruto using his chakra in place of Doomguy's weaponry and his ninja speed and agility to take on the demons like Doomguy does. But it's also possible that it doesn't exist as it's a very specific and perhaps not so mainstream combination. You'd have to search through various fanfiction platforms to be sure.
A lot of the time, Doomguy's indomitable will and his combat experience in the face of demons can be paired with Naruto's ninja skills. Picture Doomguy charging into battle, and Naruto using his wind - style jutsu to enhance Doomguy's attacks, like making his melee strikes even more powerful with gusts of wind.
It could be Doomguy. He has that no - nonsense, brute - force approach that often overpowers opponents.
Doomguy is known for his brute strength and his arsenal of powerful guns. In comparison, RWBY characters have more diverse abilities based on Dust and their Semblances. For example, Ruby has her speed - enhancing Semblance. Doomguy's guns would be a huge advantage in terms of raw firepower, but the RWBY characters' abilities offer more flexibility in combat.
Well, it could be really interesting. Naruto's ninja skills might be adapted to the Halo universe. For example, his shadow clone jutsu could be used in combat situations in Halo, confusing the Covenant enemies. His agility and speed could also give him an edge in the Halo battles.
Well, it could be really wild. Naruto, with his ninja skills, suddenly having the powers and characteristics of Deathwing. Maybe he'd have Deathwing's massive size and destructive abilities while still maintaining his ninja mindset. It could be about Naruto going on a rampage in the Naruto world, or perhaps he gets transported to the Warcraft universe and causes chaos there.
It could be amazing. Naruto might use Magneto's power to control metal weapons in the shinobi world more effectively. He could also attract or repel opponents, adding a new dimension to his combat skills.
It would be really strange and interesting. Naruto has his own set of powers and personality in his world, and Aaroniero has his in the Bleach universe. Combining them could mean Naruto having some of Aaroniero's Hollow - like abilities while still maintaining his ninja - like nature. Maybe Naruto would have the ability to devour souls in a way that is different from his normal jutsu.
A 'naruto is tsuna fanfiction' might have a lot of elements of both worlds. For example, Naruto's ninja skills could be incorporated into Tsuna's mafia - like world. Or perhaps Tsuna's family and friends could interact with Naruto's comrades in a unique way. It could also explore how Naruto's values, like his belief in never giving up, would influence Tsuna's actions and decisions. The story could start with some sort of magical or mysterious event that brings the two characters together and then follow their adventures as they learn from each other and face common enemies.