What makes Return to Heaven Denied by Labyrinth notable?

'Return to Heaven Denied' received critical acclaim for its elaborate compositions and was pivotal in establishing Labyrinth as a significant player in the Italian power metal scene. The album's success helped them gain wider recognition beyond Italy and influenced many aspiring metal bands of the late 90s. Released in 1998, 'Return to Heaven Denied' is Labyrinth's second album and follows their debut, 'No Limits'. At this point in their career, the band began to solidify their sound within the power metal genre, showcasing a more mature approach to songwriting and production techniques.