Writing is an organic process (for me at least) and the story needs time and space to develop, especially as it is the final book in the Traitor Blade trilogy. I see that, despite her awesome creativity and ability to write full out, Amanda Hocking recently blogged about a similar thing with one of her books. If it doesn't feel right that's something you can't ignore.
Just to say that Traitor Blade 3 will be coming as soon as it is done.