Cloak of Iron - Cloak Mage, #5

A lost magical treasure might unleash catastrophic destruction. My name's Nadia, and I'm the shadow agent of the High Queen of the Elves. When an Elven lord is assassinated with a bullet forged from magical iron, the High Queen sends me to track down the source. But the bullet is just a small part of a much larger hoard. And to claim that hoard, the enemies of humanity and the Elves will wipe out anyone who stands in their path. Starting with me...