Rumors say that this novel will also unveil at least 1 new Alloy used by the Allomancers.
Quoting from the prologue:
"Today, the dead town seemed completely empty, though he knew it wasn’t so. Wax had come here hunting a psychopath. And he wasn’t the only one."If you haven't read Brandon Sanderson before, he has a free novel on his website - and aside from the Robert Jordan/Wheel of Time books, has established a new epic in The Way of Kings: My review here
Read the prologue and Chapter 1 at TOR here: The Alloy of Law (excerpt)
More excerpts will be out on Tor from the book over the next few months.