Clarentavious Valisious is a male Dunmer that can be encountered in the Battlespire.
In 3E 398, Mehrunes Dagon's forces invaded the Battlespire. Clarentavious Valisious hid in a secret room behind a bookshelf waiting for reinforcements. The Apprentice was sent to the Battlespire as a final test. He meet Clarentavious, who was disappointed to see that there were no reinforcements and declares the situation hopeless.