Ilsa's 'Preyer' is a powerful blend of doom metal and sludge, showcasing the band's signature heavy sound. Notable artists such as Electric Wizard and Eyehategod have influenced their gritty, intense style. The album features a selection of tracks that delve into dark themes of despair and destruction, with haunting vocals and crushing riffs that will leave listeners captivated. 'Preyer' is a must-have for fans of the genre, offering a raw and visceral listening experience that is both compelling and cathartic.