Many wn Japanese novels often have deep - seated cultural elements. For example, concepts like 'wa' (harmony) and 'giri' (duty) are sometimes subtly woven into the stories. They also tend to have detailed descriptions of emotions. Characters may hold back their true feelings in a very Japanese way, which adds to the complexity of the story.
I have no clue what 'wn' means in light novels. It could be a made-up word, a reference to something outside the story, or just a unique element that's explained later in the text.
I think it could stand for various things depending on the specific context of the light novel. Maybe it's an abbreviation for a character's name or a special term related to the story's world.
The plot involves Rimuru's journey from being a rather weak (initially) slime to becoming a very powerful being. He meets many interesting characters. For example, there are the goblins he befriends early on. Rimuru helps them improve their living conditions. As the story progresses, he also has to deal with the threat of other more powerful monsters and even some human kingdoms that view his growing power with suspicion. In general, it's a story full of adventure, growth, and the forging of relationships in a magical and dangerous world.