What makes In Nomine Satanas by Ragnarok notable?

'In Nomine Satanas' was well-received within the black metal community, being noted for its uncompromising sound that contributed to the genre’s evolution. The album helped the band gain international recognition and solidified their place in the underground metal scene during a time when black metal was experiencing a resurgence. By 2002, Ragnarok had established themselves as significant players in the Norwegian black metal scene with their third studio album, 'In Nomine Satanas'. This release followed their previous work, 'Nattferd', which had solidified their reputation for blending aggressive instrumentation with occult themes.