What is the question, or is this a statement?
The Sorrows want the Lucera, the spiritual leader of the shadowshapers, to become one with them and "set them free." And shadowshapers are humans who can put spirits into the things that they create (art, stories, etc.) and make their creations come to life. But that's just about all we learn
It’s come from a pile of accumulated of feathers and fat and freezing
C) simile
Because it used My dog smelled "like" a beautiful flower. And similes use like and as.