What makes Fractal Possession by Abigor notable?

'Fractal Possession' marked a significant evolution in Abigor’s discography, gaining critical acclaim for its ambitious sound. The album is noted for its influence on the avant-garde metal scene, showcasing complex compositions that pushed the boundaries of traditional black metal. Released in 2007, 'Fractal Possession' is Abigor's fifth studio album, following their 2005 release 'Fractured Spectrum'. At this point in their career, the band was solidifying their avant-garde approach within the black metal genre, evolving their sound into more experimental territory.