A cornerstone of Norwegian black metal's second wave, Diabolical Fullmoon Mysticism represents Immortal's raw, primal debut from 1992. This album captures the band at their most uncompromising, delivering freezing blast beats, tremolo-picked guitars, and Abbath's distinctive rasping vocals that would define their legendary sound. Recorded in Grieghallen Studios, the album's lo-fi production perfectly complements its harsh, wintry atmosphere. Tracks like "The Call of the Wintermoon" and "Unholy Forces of Evil" establish the band's obsession with frost, darkness, and Norwegian winters that would become their trademark. For extreme metal collectors, this CD represents essential black metal history. Immortal's influence on the genre cannot be overstated, and this debut showcases the raw energy and uncompromising vision that made them legends. The album's cult status among metalheads worldwide makes it a valuable addition to any serious collection.