What makes Monarchy by Rivers of Nihil notable?

'Monarchy' garnered critical acclaim for its ambitious songwriting and complex arrangements, with many reviewers noting its impact on the progressive metal genre. It positioned Rivers of Nihil as a significant force in modern metal, resulting in a growing fanbase and attention from major festivals. Released on January 1, 2015, 'Monarchy' is Rivers of Nihil's second studio album, following their debut 'The Conscious Seed of Light' in 2013. At this point in their career, the band was solidifying its reputation within the technical death metal scene, showcasing a more mature sound and expanded lyrical themes compared to their initial offering.