These spirits roam the dark depths of Dunmer burial grounds. Their mission: To protect the graves and to scare the hell out of adventurers. Their unholy noises and transparency, together with the dimly lit environment they are typically reside in make them quite a terrifying encounter.
Even though they are not the biggest threat found on the island of Vvardenfell, their immunity to unenchanted weapons can make them a formidable foe, if unprepared.