Naruto might come across some sages or wise old men in the west. These characters could teach him new forms of chakra control or some ancient knowledge that is lost in the east. He could also meet some interesting civilians, like a young girl who has a special ability to sense danger and helps Naruto on his journey.
There could be some outcast shinobi in the west who Naruto befriends. These shinobi were exiled from their own villages for reasons Naruto comes to understand. Together, they form an unlikely alliance and face the challenges in the west. Maybe there are also some mythical creatures that Naruto encounters, like a giant phoenix - like bird that he has to communicate with in order to continue his journey.
He could meet some new and powerful shinobi who have different fighting styles compared to those in the Hidden Leaf. For example, some shinobi who are experts in wind - based jutsus that are unique to the western regions.
In this fanfiction, Naruto might run into Arthas Menethil before he fully turned into the Lich King. It would be a very different kind of encounter compared to what he's used to in his own world. He could also meet Uther the Lightbringer. Uther might be curious about Naruto's unwavering will and Naruto could be in awe of Uther's connection to the Light. Additionally, he could meet many of the adventurers and common folk in Azeroth, each with their own stories and skills.
Naruto might meet a wise alien sage who has knowledge about a different type of energy that could enhance Naruto's own powers. This encounter could lead to Naruto's growth and development in new and unexpected ways. He could also meet some friendly space creatures that help him on his journey through space.
He could meet a strict teacher who doesn't understand his unruly ways at first. Maybe a shy student who he befriends and helps come out of their shell. And there might be a rival student who challenges Naruto in various aspects like grades or popularity.
He might meet a powerful demon king who initially sees Naruto as an intruder but later realizes his good intentions. There could also be a young demon who is curious about Naruto and helps him navigate the land.
Naruto might meet some young and talented Kumo ninjas. They could be eager to test their skills against Naruto or learn from him. Maybe there are some unique characters like a Kumo ninja with a special bloodline limit that Naruto has never seen before.
He could meet Pain. Since Pain was from Amegakure, Naruto might encounter him or learn more about his past in the village. It would be an interesting encounter as they had a major battle before.
He could meet the Mad Hatter. The Mad Hatter would be an interesting character for Naruto to interact with as he's so unpredictable and has his own strange way of seeing the world.
He would surely meet Gaara. Gaara, having had his own experiences of being an outcast, would likely be one of the first to interact with Naruto. They could share their stories and become good friends.
Naruto could meet some young and upcoming Iwa ninja trainees. They might be curious about Naruto and his abilities from Konoha. These trainees could either look up to Naruto or be jealous of his fame, leading to various interactions. Also, there could be some old - timer Iwa ninjas who remember past events involving Konoha and have their own views on Naruto's presence in Iwa.
There's a possibility that Naruto meets some of the younger generation of shinobi in Suna. These new characters could be eager to learn from Naruto or challenge him to a friendly spar. He may also come across some of the elders in Suna who have their own stories and wisdom to share with Naruto.