Twin Blades Series by Noelle Upton

He is blessed with Fire. She is cursed with Death. After years apart, a new contract brings Meline and Elián face to face with both each other and a mysterious new enemy, more powerful than these immortal assassins could imagine. While they travel to a new world, the spark between them burns even brighter, and back in their realm, an old foe has been stoking the flames of war... moreHe is blessed with Fire. She is cursed with Death. After years apart, a new contract brings Meline and Elián face to face with both each other and a mysterious new enemy, more powerful than these immortal assassins could imagine. While they travel to a new world, the spark between them burns even brighter, and back in their realm, an old foe has been stoking the flames of war. Shadows and Flames follows two immortals with Goddess-given powers as they rebuild what was broken between them, rescue a dear friend, and shed light on secrets that could break them all over again. It is the second installment of the Twin Blades series. less