In the corner is a table with the Orb of Vaermina on top. Take it and go back to the shrine. How To Get The Skull of Corruption . Once you've gotten the Orb of Vaermina from Akrved's Tower, ...

Vaermina is the prince of nightmares and psychological torment. Although she rarely interacts with mortals of Nirn, she regularly sees them during their dreams, although few remember upon waking up.

Vaermina is a Daedric Princess in the Elder Scrolls. "Vaermina resides in a strange realm known as Quagmire... a nightmarish land where reality shifts ...