Truly wonderful job! The use of understatements, compound sentences, vocabulary, superlatives, repetition,…
If I didn't know any better, iI'd think you were the ghost of Jane Austin; however, Jane Austin did not write fantasy.
I also see some of Emily Dickinson's punctuation style.
Try not to beat the dead horse on any device. By this, I mean don't use a device like repetition in every single paragraph when you get into the chapters. In the Prologue, it is forgivable, since prologues are naturally short and it naturally needs to make several points in a strong way.