He might become more brooding. Instead of his usual sunny and determined self, he could be more withdrawn as a dark cleric, constantly thinking about the implications of his new powers and the dark path he's on.
His once optimistic and determined personality would turn cynical. Instead of seeing the good in people, he would suspect everyone. For example, he would no longer trust his friends easily. His sense of humor would disappear, replaced by a cold and sarcastic attitude. He would become more secretive and withdrawn, not sharing his thoughts and feelings like he used to.
Naruto's personality may not change drastically in terms of his fundamental values like loyalty and the pursuit of his dreams. However, as a girl, he might be more attuned to the social hierarchies among female characters. He could start to notice and react to the cattiness that might exist in some female - only groups in the village. This new awareness could add a layer of complexity to his interactions, but at the same time, he would still be the Naruto who wants to prove himself and protect the village at all costs.
Naruto's personality might become more empathetic. As a female, he could be more in tune with the emotions of others around him. For example, he might be quicker to comfort a distraught friend.
In such fanfiction, Naruto's personality could be a mix of his old self and a new, more complex version. He would still be the determined and kind - hearted Naruto at heart. However, the power of the hollow mask might make him more secretive. He might keep things from his friends and mentors for fear of them trying to take the mask away. This internal conflict between his old and new self could be a major part of his character development.
If Naruto is pretending to be a girl, his normally boisterous and energetic personality might become more subdued at first. He'd have to be more careful with his actions and words to fit the female role. For example, he might not be as loud or impulsive as he usually is.
If Naruto was female, her personality might become more nurturing in some aspects while still maintaining her core traits. For instance, she might be more empathetic towards others' problems, but still be as headstrong as ever when it comes to achieving her goals.
He might become more withdrawn. The burned face could make him self - conscious, so he doesn't interact as freely as before. For example, he might avoid public gatherings or eye contact with people.
He might become more patient. As a dad, he has to deal with his kids' tantrums and mistakes, so patience is key.
In this fanfiction, Naruto could turn ruthless in terms of his relationships too. He might cut off ties with those he used to consider friends if he feels they are holding him back. His once warm and friendly attitude towards others could be replaced with a more calculating and self - centered one. He may start using people to achieve his goals rather than working together as he did before.
His personality would be a mix of his old self and the influence of being a ghoul. He would still be the brave Naruto who wants to protect his friends and village. But at the same time, he'd have to constantly fight the more primal and aggressive instincts that come with being a ghoul. This internal struggle could make him seem moodier at times, as he tries to balance his two natures.