What makes Blood of Heroes by Graveland notable?

This album is notable for its influence on the black metal genre, particularly in Poland, where Graveland became a pivotal figure in fostering a distinct sound. The EP also contributed to the band's growing international reputation, and it has been referenced by various artists within the black metal community for its thematic depth. Released in 2002, 'Blood of Heroes' marked Graveland's continued exploration of epic themes following their 2000 album 'Immortal Pride'. By this time, the band had solidified their position within the Polish black metal scene, known for their orchestral arrangements and pagan influences.