I'm sorry I don't know for sure as I haven't read it. But typically in a light novel like this, there would be a protagonist who is closely associated with the indestructible primordial spirit. There might also be a mentor - like figure who guides the protagonist in understanding and using the power of the spirit.
There could be an antagonist as well. This antagonist might be someone who wants to steal the indestructible primordial spirit for their own evil purposes. Maybe there are other supporting characters, like the protagonist's friends or comrades who fight alongside him or her. They could have their own unique abilities and personalities that complement the protagonist's journey with the primordial spirit.
I haven't actually read this light novel specifically. But generally, in light novels about primordial spirits, there might be plot points like the discovery of the unique powers of the primordial spirit. It could involve the protagonist's journey to master and control these powers, perhaps facing challenges from other powerful entities who also covet the primordial spirit's abilities.
There were two female leads in the Primitive Immortality Technique, Shui Yue and Ye Qinglan.
The Indestructible Martial Spirit was a fantasy novel. The authors included Before the Great Dao, Fei Yu, and the author Seven Halls. The novel told the story of the protagonist, Su Bad, who had transmigrated to a different world. There, he had a mysterious martial soul and gorgeous martial arts techniques. He was determined to make a name for himself in this world. This novel had the style of oriental fantasy, transmigration, and fantasy. It was recommended by readers as a powerful novel. The Indestructible Martial Spirit provided limited access to certain chapters on Qidian Chinese Network, and also provided access to the entire book.
There were some different descriptions of the levels of the Indestructible Primordial Chaos. According to the descriptions in document [1] and document [2], the Indestructible Primordial Chaos was divided into nine levels, from the beginning of the world to the ninth level of Transcendence. However, documents [3] and [4] provided a more detailed classification of levels, including the tenth to thirteenth level of Transcendents, as well as the classification of the myriad worlds. In addition, documents [6] and [7] also mentioned the division of realms in the Primordial World, including Primordial God, Primordial Ancient God, Primordial Divine Lord, and so on. In summary, the classification of the imperishable Primordial Chaos could include nine levels or more levels, depending on the different descriptions and sources. However, there was no detailed information on the exact level division.
The protagonist is often the central main character. But without having read it thoroughly, I can't give you all the main characters precisely.
The main character is a young man who has been reincarnated into the world of the novel. There are also female characters who play important roles, like the ones who have their own powers related to the spirit world and interact closely with the protagonist, helping him on his journey.
Since we know so little about 'Spirit Real Light Novel', we can only make general assumptions. The main character could be a loner at first, someone who feels out of place in the normal world but then finds a sense of belonging in the spirit world. There might be a group of friends that the main character makes along the way, each with their own unique skills or backstories. And of course, there would probably be some sort of powerful spirit entity that plays a crucial role, whether as an ally or an enemy depending on the direction of the story.
Since I don't know the exact 'spirit migration light novel', I can't say for sure. But it could be the spirits themselves who are the main characters. Maybe there are also some humans or other creatures who interact with the spirits during their migration.
The primary primordial spirit referred to the original life of an individual, which was their true self. In Buddhism, the primary primordial spirit referred to the core of an individual's life and was born together with the individual. As for the secondary primordial spirit, it was a life that was born together with the primary primordial spirit. Most of the cultivation techniques were to cultivate the vice primordial spirit, but now the true Great Dao was to cultivate the main primordial spirit, which was his true self. To be more specific, the primary primordial spirit was an individual's subconscious, the foundation of an individual's personality. It could release an individual's true self through awakening, freeing them from the shackles of consciousness. The primary primordial spirit was the core of an individual, the true meaning of an individual's life.
I'm not sure exactly who the main characters are in this novel as I haven't read it fully. But typically, there would be a protagonist with a peerless martial spirit, and there might be his friends or mentors who play important roles in his growth journey.