Well, 'naruto shippuden hypnosis fanfiction' could be about various things. It might involve a story where a character uses hypnosis in the Naruto Shippuden universe. Maybe a villain uses hypnosis to control the ninja, or perhaps a hero uses it to solve a mystery or defeat an enemy in a unique way.
In 'naruto shippuden hypnosis fanfiction', it could center around the idea of hypnosis being a new jutsu (ninja technique). For example, a young ninja discovers the power of hypnosis and has to learn to control it while dealing with the normal challenges in the Naruto Shippuden world like fighting Akatsuki or protecting their village. It could also explore how hypnosis affects the relationships between characters, like if one character hypnotizes another to make them reveal a secret.
It could be a fan - created story that delves into the psychological aspect of the Naruto Shippuden characters through hypnosis. Hypnosis in this fanfiction might be used to explore hidden desires or fears of the characters. For instance, Naruto could be hypnotized and we get to see his deepest insecurities about not being able to save everyone, or Sasuke could be hypnotized to confront his past and his feelings towards his family and the village.