It could also be related to a prophecy or a pre - determined fate in the fanfic's plot. There might be some kind of dark prophecy that says Kawaki has to kill Naruto to prevent a greater evil. Or perhaps Kawaki is being controlled by an external force that has a vendetta against Naruto and uses Kawaki as a tool to carry out the murder.
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.
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.
One common theme is friendship. Writers often explore how Himawari and Kawaki, who come from different backgrounds, form a bond of friendship. Another theme is growth. They both grow as characters, learning from each other.
Kawaki makes his appearance in Boruto manga at a specific point, but I can't recall exactly. You might want to check the official manga sources for the precise chapter.
Well, their child might inherit Naruto's chakra control and Shion's unique spiritual powers. Maybe the child could have an enhanced form of the Rasengan, combined with Shion's ability to predict the future in a battle sense. For example, being able to foresee an opponent's moves just a split second before they make them and using that knowledge to adjust the Rasengan's trajectory for a more powerful and accurate attack.
If Naruto had Kryptonian powers, his strength would be off the charts. He could do things like punch through solid rock without breaking a sweat. His durability would also be enhanced, so attacks that would normally harm him would have little to no effect.