Slipped from your grasp in the sands of time...
Tappa was a merchant you obviously underestimated. He was capable of manipulating magic through his weapons.
Crimm Corran used a mix of martial arts and combat maneuvers with his pole arm. He seemed fearless.
Duneharrow was the only member of their attack party that you didn't recognize. Always shadowed, he exhibited skills in alchemy and monstrosity.
You also faced Balasar Frolo, a zealot