Finished it. Pretty pleased with it. Starting out at a casual place and winding up all the way through the book to an absolutely explosive finale. Which draws in elements from all of his previous white scars stories and several other ones. This is definitely one of the better Heresy books and a worthy sequel to Scars.
But a certain guest of the white scars steals the show and I am quite curious to see whats going to happen to him in the future.
Though ill say that theres intriguing new insights into a very special device and its doings. Which clearly seems to be a lead for the Master of Mankind novel to come.