"Hey, you saved us from Uldor! My brothers and I didn't want to fight you earlier, but that wizard controlled our bodies. Or what's left of them! Ha! Come, dance with me in the fountain!"

Khafnir is a Redguard ghost found in the Temple of Mourning Springs after the quest "Tears of the Two Moons" has been completed and the ghosts have returned to the temple. He can be found dancing around the fountain of the temple.