Of Darkness... is the debut studio album by Swedish symphonic metal band Therion, released in February 1991.

[1] The album was re-released on 27 November 2000 under Nuclear Blast label as a part of The Early Chapters of Revelation box-set.

[1] Of Darkness... was recorded in Swedish studio Sunlight in Stockholm from August to September 1990 and released in February 1991.

Of Darkness... consists of songs Christofer Johnsson had written in the years of 1987–1989, many of which were available on the band's demo recordings.

Of Darkness... received a medium rating 2.5 of 5 at Allmusic with "Morbid Reality" and "Megalomania" songs picked by its staff,[3] and 3.02 of 5 at the Rate Your Music community being only number 925 in its 1991 ranking.