Saerek's Skull Key is an item found in The Elder Scrolls V: Skyrim. It's a black decorative skull that serves as one of the keys used to seal the Dragon Priest, Otar the Mad, in his sarcophagus. The other being Torsten's Skull Key.
Acquisition
The skull key can be obtained by defeating Guardian Saerek who can be found inside Ragnvald Crypts. He can be summoned by picking up his skull from the pedestral in the middle of the room.
Trivia
- Both keys may be removed and kept without incident after the sarcophagus has been opened.