Atmospheric black metal masters The Great Old Ones are pleased to share their first-ever official video, "Of Dementia". The track for this video is part of the band's upcoming full-length effort, Cosmicism, coming out on October 25th. Check out this new creation, directed by Zev Deans (Portal, Behemoth, Ghost), below.

Source:	facebook.com
Band profile:	The Great Old Ones