As I start on the revisions to THE VOICE OF PROPHECY,
I stumbled on this series of posts about character arc and suddenly the whole thing becomes clear. It gave me the key to some issues I was wrestling with. I now know what needs to be emphasized.
The linked articles outline a version of the three-act structure which actually breaks the character arc into four parts. Coincidentally, DUAL MAGICS is a four-book series and fits this structure remarkably well.
I love serendipity. Moving forward with more confidence now.