Well, in Naruto fanfic, it's quite common for writers to come up with new types of chakra - based abilities. 'Crystal release' could be one of those. It might be used by original characters created in the fanfic or even given to existing characters in new and interesting ways. For example, a character could use 'crystal release' to form defensive barriers or offensive weapons made of crystal, which can make the battles in the fanfic more exciting and different from what we see in the original Naruto series.
It could be an old hermit who has been living in seclusion. This hermit has mastered crystal release and sees potential in Naruto. He decides to pass on his knowledge to Naruto, seeing him as a key to bringing peace to the ninja world.
One characteristic is the unique power source. Crystal powers are often introduced, which are different from the typical chakra-based powers in Naruto. For example, they might have special abilities like crystal manipulation for defense or attack.
Well, in the fanfic, Naruto using crystal release could be part of a mission. Maybe he's in a land where crystal release is common among the enemies. He starts to study their techniques and somehow manages to adapt it to his own style. He could then use it to save his friends during a really tough fight. Like, he creates a huge crystal shield to protect everyone from a massive attack and then turns the shield into sharp projectiles to counter - attack.
I'm not sure specifically what this 'naruto hypnosis crystal fanfic' is about as there could be many different interpretations. It might involve a story in the Naruto universe where a crystal is used in a way related to hypnosis, perhaps by a character to gain an advantage over others or for some other plot - related reason.
Well, it depends on the specific fanfic. But usually, there would be a character who has the crystal bloodline as one of the main characters. This character could be an original creation for the fanfic or a reimagined version of an existing Naruto character with the added crystal bloodline ability.
One interesting 'Naruto Crystal Fanfic' story could be about a crystal that has special powers and Naruto discovers it during one of his missions. The crystal might be able to enhance his chakra or give him new jutsu abilities.
A prevalent theme is the connection between the Crystal Release and the Naruto world's lore. Some fanfics try to explain the origin of the Crystal Release, whether it has some ancient connection to a long - lost clan or some kind of hidden jutsu. There's also the theme of power and responsibility. As the Crystal Release can be very powerful, characters need to learn how to use it responsibly and not let it corrupt them, which is a classic theme in Naruto - related stories.
I don't know the exact main characters in this fanfic as it could be any of the characters from Naruto or even new ones created by the fanfic author. It might be Naruto himself using the hypnosis crystal for some noble purpose, or perhaps an antagonist who wields this powerful crystal.
One possible plot could be that Naruto somehow gets transported to the world of the Crystal Gems. He initially struggles to understand their powers and way of life. But as he spends time with them, he starts to learn about their gem abilities. He might then use his ninja training and determination to help the Crystal Gems in their fight against some common enemy, like a new powerful gem or some otherworldly threat.