What makes The Beginning by Mercyful Fate notable?

'The Beginning' is notable for its cult status within the heavy metal community, laying a foundation for the black metal genre. The album's thematic elements contributed to a growing interest in occult imagery within metal music, influencing bands such as Metallica and Slayer. Released in 1987, 'The Beginning' is Mercyful Fate's debut full-length album, arriving after their well-received EP 'Nuns Have No Fun'. This album solidified the band's place in the burgeoning heavy metal scene, showcasing their unique sound that would influence future generations of metal artists.