Sacellum Luciferi - Burial Spirits is the title of a compilation album by the Finnish black metal band Sacellum Luciferi. The band Sacellum Luciferi focuses on the themes of black metal, according to Encyclopaedia Metallum. The title "Burial Spirits" likely alludes to the band's focus on themes related to death and the afterlife. The album is a demo compilation featuring two previous demos titled "Burial Rites In Blasphemy" and "As Unclean Spirits Contaminate The Earth...". The compilation was released by Satanik Requiem and Vermines Pestifera. In essence, "Sacellum Luciferi - Burial Spirits" refers to a black metal music release featuring songs themed around death and the spirit world.