The earth-shattering conclusion to Mistborn Era 2. For years, frontier lawman turned senator Waxillium Ladrian has hunted the shadowy organisation known as the Set, whose leaders include his own late uncle and sister. When Detective Marasi Colms and her partner Wayne uncover stockpiled weapons bound for the Outer City of Bilming, the investigation reveals that the Set's influence has spread to the Elendel Senate itself. After Wax discovers a new type of explosive capable of unprecedented destruction, an immortal kandra reveals that Bilming has fallen under the sway of the god Trell, an outside force threatening all of Scadrial. Wax must decide whether to set aside his rocky relationship with Harmony and once again become the divine Sword he was groomed to be - because if no one steps forward, the planet and its millions of people face annihilation. The most Cosmere-connected Mistborn novel to date, featuring significant crossover with the wider universe.