Book 3 of the of Brandon Sanderson’s Mistborn series finds the protagonists Vin and Eland deal with an evil they inadvertently unleashed upon the world. Mistborn’s notable for its unique magic system, in which “Allomancers” ingest, and then “burn” metals in order to use telekinetic and empathic powers.
The Hero of Ages is part of my Summer Reading List for 2013.