Kardol

Kardol is a high-ranking member of the Legion of the Dead.

The Darkspawn Chronicles
In the darkspawn Chronicles, He is appearing in the Assault on the palace quest, with some other legion and dwarven soldiers. Take him out and loot his body for the Shield of the Legion and Totem (gift).

Trivia

 * It's possible to "kill" Kardol and his Legionnaires with repeated applications of area-of-effect spells when encountered in the Dead Trenches for decent experience and Kardol may drop a piece of the Legion armor. This will not stop him from reappearing in the Diamond Quarter.
 * In Dragon Age: Origins - Awakening, the codex entry about Armored Ogres will be from Kardol's journal stating that despite the armor they are still easy to kill if you know how.

Quotes

 * "Let them come! It will save us the walk to their lairs!"
 * "The Legion sends no quarter! Send them to the stone!"
 * "They think to breach Orzammar?! They're breathing smoke, if we even let them breathe at all!"
 * "Your nightmare is my everyday."
 * "Stone-blind beasts! You're no nightmare to us!"