Sorry for the long delay in reply!
This is another place where I thinkw e are handicapped by having the existing critical tools designed for analysis of finished works and not well fitting with works in conception or in progress.
I think that's very likely; I'm reading your reply, and feel that we're mostly on the same page, but lack the jargon we need!
While I agree with what you have to say in general, and I love the Vlad Taltos books, I'm inclkined to see Lies of Locke Lamora as an intersitng example of getting this wrong, because I do not think the structure chosen supports the tonal shift between the beginning and the end well at all.
I've found TLoLL to pretty much split people; some people love it, others really dislike it.
I don't think of those as architect ure issues really, because all voice is characterisation, every word choice is characterization, and if I have a character, I have their voice.
Not all word choice is characterization of the character--it really depends on if your narrator is your POV character, which it doesn't have to be. Think of older books, where the narrator is going, "Now, dear reader, that is not to say our main character Billy Joe didn't think of that himself..." That's not really Billy Joe's "voice". It's the narrator, with his or her own opinions, talking about Billy Joe. That's the narrator as a separate entity, one that can flavor how the events of the book are perceived by the reader. Modern fiction typically merges the narrator with the POV character, to a degree--how much depends on the author--but that's not the only way that things can be done.
For example, I have one story that is strict 1st person. The narrator is the POV character, period. I also have a story with a 3rd person POV...but it's very "tight", this narrator is ALSO the POV character. In these cases, all word choice keys back into the POV character, no matter if it's dialogue or narration about the color of the trees. But I have an entirely different story where I de-couple, in the manner of more epic fantasy, the narrator from the POV character, in certain scenes. And when that happens, you can play with the non-dialogue word choice to influence how the book is perceived by the readers, without altering the actual bones of the character, because it is NOT the character speaking, but the narrator.
To take a Butcher example--the Dresden books are narrated by Harry. There is no separate narrator. But the Codex Alera books have a narrator that is not at all as closely to Tavi and everyone else's head--the narrator is slightly a separate entity. It's strongly flavored by the current POV character, but it's not 100% assimilated as it is in the Dresden books.
But whether it was right for the bat would depend upon the bat's personality and motivations in each case.
I think you have POV tied into your narration much more than me; I feel it is possible to have a degree of separation between the two, and that the amount of separation is authorial choice. It's modern convention that causes most modern works to have a POV character and the narrator be the same, but it's not the only way you can do it.
For example, say there's a photographer taking a picture of the bat. The photographer could use full color film, or sepia tones, either of which evokes different feelings in the person who views the photo. The bat has no control over the photos that the photographer shows around, but that doesn't mean that the bat stops having that inner battiness due to how the photographer is displaying him.
The writer can do the same thing to a character.
(hahahahaha, that paragraph cracks me up! And I mean every last word of it.)
So, that's why I consider this to be something you can use to alter the bones of the story. You can choose your narration style . And if you're good enough, you can make it work, although obviously the more obscure or edgy you get with your narration style, the harder it is to make it work. A la, some people have issues with Scott Lynch's narration styles. I love it, others find it jarring, because it's not typical.
(Off topic...I think my space bar is dying; it's making a very loud sound each time I hit it!)
But yeah, often people kind of go into things knowing the...mode, I guess...they want to use. It just comes to them...either you-as-a-new-writer have no utter clue how to start messing around with it, or you learn it, but learn it so instinctively you can't really spell out *why* you do things the way you do. Very hard to pin down.
Some day, I'm going to do some exercises...a short story, and start messing with the bones. Just to pin things down.