What makes Belus by Burzum notable?

'Belus' received critical acclaim, marking a successful comeback for Varg Vikernes in the black metal scene. The album not only took the top spot on various Norwegian charts but also solidified Burzum's influence within the genre, pushing boundaries while embracing traditional elements. Released on January 1, 2010, 'Belus' marked Burzum's return after a lengthy hiatus following the artist's imprisonment. This album was significant as it was the first release since 1999's 'Fallen,' showcasing a shift back to Burzum's roots in atmospheric sound while incorporating themes of Norse mythology.