What makes Painkiller by Krokus notable?

'Painkiller' helped establish Krokus as a prominent name in the heavy metal genre, contributing to the burgeoning hard rock movement of the late '70s. The album received positive reviews and enhanced their visibility, leading to numerous tours and a loyal fan base. Released on October 1, 1978, 'Painkiller' was Krokus's third studio album, coming after their breakthrough with 'Metal Rendez-Vous' in 1976. By this time, the band was solidifying its presence in the heavy metal scene, transitioning from a local Swiss act to international recognition.