In a crossover, it really depends on how the powers are combined. If Naruto could somehow combine the Nine - Tails' chakra with Sage Mode and then learn some ki techniques from the Dragonball Z side, he could be extremely powerful. But Goku has been training for a long time and has access to godly ki. So he would be a top contender as well. Vegeta too, with his own determination and power - ups, could also be in the running for the strongest.
Well, it could be really exciting. Picture Naruto with Goku's ability to go Super Saiyan. Maybe Naruto could learn the Kaio - ken technique. The story could involve the two universes colliding, with villains from both sides teaming up. So Naruto and his friends from Konoha would have to join forces with Goku and the Z - fighters to save both their worlds.
It's hard to say. Goku in his Super Saiyan forms has incredible power and can destroy planets. But Naruto has the Nine - Tails' power and Sage Mode. If we consider Naruto at his peak with all the tailed beasts' power combined, he could give Goku a tough fight. However, Goku's ability to constantly increase his power level might give him an edge in the long run.
Well, perhaps the Dragon Balls are accidentally sent to the Naruto universe. Naruto and his friends then have to figure out what these strange orbs are. Meanwhile, Goku and his pals come looking for the Dragon Balls and end up meeting Naruto. They could exchange their different fighting styles and techniques, like Naruto teaching Goku about chakra control and Goku showing Naruto how to sense ki.
One of the best crossovers could be the combination of power - ups. For example, Naruto's Sage Mode combined with Goku's Super Saiyan form. It would be interesting to see how their powers interact and if they could learn from each other's fighting styles.
Bulma from Dragon Ball Z in Naruto fanfiction has potential. She is smart and resourceful. In the Naruto world, she could use her intelligence to create new technologies or help with strategic planning during battles, and her interactions with the ninja characters would add a new dimension to the story.
Well, one way the storyline could blend is by having Ruby's unique abilities from her own world interact with the power levels in Dragonball Z. For example, if Ruby has some sort of magic, it could be an interesting contrast to the ki - based powers in Dragonball Z. Maybe she could team up with Goku and his friends to fight a common enemy. Her different fighting style would also add a new dimension to the battles.
A Sailor Moon and Dragonball Z crossover fanfiction might start with a strange rift in the universes. Sailor Mercury detects an unusual energy signature that seems to be a mix of magic and ki. As they investigate, they run into Goku who is also curious. The two groups then find out that there's a powerful being trying to merge their worlds for its own evil purposes. The Sailor Guardians and the Z - fighters would then have to put aside their differences in fighting techniques and beliefs to stop this threat. They might have some funny moments like Vegeta getting annoyed with Sailor Mars' sassy attitude or Sailor Venus being in awe of Goku's strength.
Well, in a One Piece and Dragonball Z crossover fanfiction, the art styles are quite different, but that could add to the charm. For example, the colorful and outlandish characters from One Piece would contrast with the more muscular and intense look of Dragonball Z characters. Maybe the Straw Hat crew would be intrigued by the Dragon Balls and their power to grant wishes. They could embark on a journey to find all the Dragon Balls, while also dealing with the likes of Cell or Majin Buu who are interested in their unique abilities.
Goku could be an interesting main character for such a fanfiction. He already has a lot of charm and is extremely powerful. His naivete in some ways could make it fun as he tries to understand the different female characters from the Naruto universe. For example, he might be confused by Sakura's dual nature of being tough but also having a soft side. Another option could be Naruto himself. He has his own charisma and his never - give - up attitude would attract the female characters from Dragonball Z, like Bulma might be interested in his determination.