I soloed the Dunemaul compound at level 45, going up against the level 48 and 49 nasties.
Nice challenge with a mage (even a mob 2-3 levels higher can throw three or four resists in a row), considering I was regularly pitting level 23 Hoskold against level 28 mobs and surviving with ease. I was very close to death at the end of this battle, though. Check out my remaining health:
Mana Shield totally saved me.