Durza

The Shade peered around a thick tree and looked up the trail. It was too dark for any human to see, but for him the faint moonlight was like sunshine streaming between the trees; every detail was clear and sharp to his searching gaze. He remained unnaturally quiet, a long pale sword in his hand. A wire-thin scratch curved down the blade. The weapon was thin enough to slip between a pair of ribs, yet stout enough to hack through the hardest armor.

Prologue, Shade of Fear, page 1, Eragon