Maybe the ten - tailed dragon has a consciousness of its own and forms a bond with Naruto. It could teach Naruto some long - lost ninja techniques that were once used to defeat great evils. This would make Naruto even more powerful and give him an edge in his fight against stronger foes.
One idea could be exploring the ten - tailed beast's origin in more depth. Maybe it has a hidden past or a connection to an ancient civilization that has been long forgotten in the Naruto universe.
One interesting plot idea could be that Naruto has to find a new way to bond with the Ten - Tailed Fox. Maybe the fox's power starts to go out of control and Naruto has to enter its mind - scape to calm it down. Another idea is that an enemy tries to steal the Ten - Tailed Fox from Naruto and he has to fight to keep it.
A plot could revolve around a tailed beast that has been corrupted by an unknown force. Naruto and his friends then have to find a way to purify the beast without killing it. This would require them to understand the nature of the tailed beasts more deeply. In the process, they might discover new secrets about the tailed beasts' origins and their connection to the ninja world. It could also lead to new alliances and enemies. There could be intense battles and emotional moments as they try to save the corrupted tailed beast.
One idea could be that the ten - tailed wolf has a special connection with Naruto's chakra nature, perhaps enhancing his already powerful abilities in a new and unexpected way. For example, it could give him the ability to control a new type of elemental jutsu.
One interesting plot idea could be exploring the origin of the Nine - Tailed Fox's fury in more depth. Maybe there was a past encounter that made it so enraged. Another could be Naruto fully embracing the Nine - Tailed Fox's power and using it in a new and unexpected way to protect the village.
One idea could be exploring the relationship between Naruto and the Nine - Tailed Fox in more depth. Maybe Naruto has to enter the fox's mind - scape and they have a long conversation about their fates being intertwined. Another plot could be a 'what if' scenario where the Nine - Tailed Fox was released earlier in Naruto's life and how he would deal with it without as much training. A third idea is to have the Nine - Tailed Fox take on a human form and accompany Naruto on his adventures, causing all sorts of chaos and also some unexpected moments of friendship.
One plot idea could be a young and inexperienced ninja discovers they have a unique connection to the tailed beasts that no one else has. For example, they can communicate with the beasts on a deeper level, not just the usual 'host' relationship. This could lead to them trying to unite the tailed beasts in a peaceful way, against all odds and the mistrust of the different ninja villages.
A possible plot could involve Naruto being able to enter the minds of the tailed beasts more freely and vividly. In this state, he experiences their memories as if they were his own. He witnesses the creation of the tailed beasts, the wars they were involved in, and the pain they've endured. This newfound understanding makes him determined to create a new world where the tailed beasts are not feared but respected. So he starts a movement among the ninja villages, using his influence and the power of his bond with the tailed beasts to change people's perceptions.
One idea could be exploring the ten - tailed demon's origin from a different perspective. Maybe it was created as a result of an ancient war between gods. Another could be a story where the main character has to form an unexpected alliance with the ten - tailed demon to save the ninja world from a new, greater threat.
One idea could be that Naruto, as a dragon, has to protect the Hidden Leaf Village from a new threat that is specifically targeting dragons. He could use his dragon abilities like flight and powerful breath attacks to fend off enemies.