One way to combine their powers is through Naruto's chakra control and Doraemon's Propeller on Head gadget. Naruto could use his chakra to power the Propeller on Head, allowing for faster and more efficient flight. This would give Naruto a new form of mobility in addition to his ninja skills. Additionally, Doraemon's Translation Gum could be used by Naruto and his friends to communicate with characters from different regions or even different dimensions in the fanfiction. This would open up new storylines and interactions, as they could now understand and work with a wider range of characters.
The Sharingan from Sasuke could be used to analyze the weaknesses of Shadows more effectively. Then, a Persona with the right elemental or skill type could be summoned to exploit those weaknesses. It's like combining Sasuke's detective - like ability with the offensive power of a Persona.
Well, Naruto's Rasengan could be combined with a Shen Gong Wu. For example, if there's a Shen Gong Wu that can enhance the power of a spherical object, it could be used to supercharge the Rasengan. The Xiaolin Dragons' elemental powers could also be combined with Naruto's shadow clone jutsu. They could create clones that have the powers of fire, water, etc., just like the dragons.
Naruto's Rasengan could be combined with Wanda's energy manipulation. She could enhance the power of the Rasengan with her red energy, making it even more destructive.
In a fanfiction, they could also combine their powers for a defense mechanism. Naruto could create a chakra shield while Kuroyukihime projects a virtual layer of protection around it. This double - layered defense would be extremely difficult for enemies to penetrate. Also, Naruto's shadow clone jutsu could be used in the virtual world with Kuroyukihime's guidance to confuse opponents and carry out complex strategies.
Well, in fanfiction, Naruto's chakra - based powers like the Rasengan could be combined with Superman's super strength. For example, Naruto could use his chakra control to enhance Superman's punches, making them even more powerful. Or Superman's heat vision could be mixed with Naruto's fire - style jutsu to create a more intense and unique attack.
One way could be that Naruto, through some sort of ritual or encounter, gains the ability to summon parts of Trihexa's power. He could then incorporate these powers into his fighting style. He might use Trihexa's power of destruction in a more controlled way, like when he's facing really tough opponents. He could also use Trihexa's unique energy signature to disrupt enemy jutsus or defenses, since it's likely to be something very different from what most characters in the Naruto world are used to.
In fanfiction, Naruto's shadow clone jutsu could be combined with Goku's Instant Transmission. For example, Naruto creates multiple clones and they all use Instant Transmission simultaneously to surround an enemy. This would be a very effective strategy.
Naruto's ability to use chakra and his various jutsu like the Rasengan could be combined with Masane's powers in interesting ways. For instance, Masane could use her powers to enhance Naruto's speed, allowing him to deliver a more powerful Rasengan. Or Naruto could use his shadow clone jutsu and each clone could be paired with Masane to perform coordinated attacks. They could also combine their energy sources, Naruto's chakra and Masane's power essence, to create a super - attack to defeat a really strong enemy.
Naruto's Rasengan could be encased in Elsa's ice to create a more powerful and destructive attack. The ice would make the Rasengan even more solid and increase its impact.
In a fanfiction, Naruto's Sage Mode could be combined with Captain Marvel's enhanced strength. When Naruto enters Sage Mode, his senses are heightened and his physical abilities are boosted. Captain Marvel, with her already superhuman strength, could hold back a powerful enemy while Naruto in Sage Mode uses his strategic thinking to find the enemy's weak point. Then, together, they can deliver a final, combined blow using both their enhanced physical capabilities to defeat the enemy.