Sasuke's Sharingan could potentially give him an edge in reading mutant opponents' movements. For example, if he was facing a fast - moving mutant like Quicksilver, the Sharingan might allow him to anticipate his actions. His ninjutsu skills could also be a unique addition. He could create illusions to deceive mutants with mental powers. In return, mutants like Jean Grey with her telekinesis could help Sasuke in battles by providing cover or moving objects to his advantage.
Sasuke's Sharingan could potentially be used to analyze the reiatsu patterns in the Bleach universe. This would allow him to predict the movements of his opponents, much like he does in the Naruto world. For example, if he was facing a Soul Reaper or a Hollow, he could see the flow of their reiatsu and anticipate their attacks.
Female Sasuke might have enhanced stealth abilities. In some ninja cultures, female ninjas were known for their grace and ability to blend in, so she could use this to her advantage. Also, she might develop a more intuitive fighting style, relying on her instincts more. Since she's now a girl, her chakra control could potentially be more refined, as some fanfictions depict female characters having a different kind of connection to their chakra.
Rimuru Tempest has a wide range of powers. One of his main abilities is the power of Gluttony. This allows him to devour almost anything and gain knowledge or abilities from it. For example, he can devour monsters and acquire their skills, which makes him extremely versatile in combat.
The fusion would probably have enhanced physical abilities. With Naruto's stamina and Sasuke's speed, they could move faster and fight longer. And in terms of ninjutsu, they could combine their elemental jutsus. Maybe create a new fire - wind jutsu from Naruto's wind and Sasuke's fire.
Suppose Sasuke has the power to corrupt things with his demonic touch. Sakura, on the other hand, has the power to restore and revive. In a fight, Sasuke could use his power to weaken an enemy, and then Sakura could use her restoration power to turn the enemy to their side. Or, in a more romantic sense, Sasuke's touch that usually corrupts could be purified by Sakura's presence, showing the deep connection between their powers and their relationship.
If Naruto and Sasuke had a Potara fusion in fanfiction, their powers would be a blend of their individual strengths. Naruto's ability to use the Nine - Tails' chakra would combine with Sasuke's Sharingan and Rinnegan powers. They might gain the ability to teleport long distances instantly, similar to how Sasuke can with his Rinnegan. Also, their combined combat skills would make them nearly unbeatable in battle, as they could switch between Naruto's close - range, brute - force attacks and Sasuke's more precise, long - range jutsu with ease.
A common power in fanfiction is enhanced magical senses. Characters can sense magic from far away, like being able to detect a hidden magical artifact from miles away just by the faint magical aura it emits. This helps in treasure - hunting type of storylines.
Loki, the God of Stories, has the power of shape-shifting and can assume various forms. He's also highly intelligent and skilled at deception and manipulation.
Sasuke's Sharingan would be a great asset. It could help him see in the dark, which would be useful in places like Moria. His ability to copy other people's fighting styles could also come in handy when facing different foes in Middle - earth. And his speed and agility would make him a formidable opponent in battles against orcs or other evil creatures.