They were one of the first extreme metal bands to include female operatic vocals, contrasted by male grunts and clear vocals. Their songs are generally long and epic, combining slow doom riffs with mid-paced gothic metal.
They were among the pioneering extreme metal acts to integrate female operatic singing into their performances, contrasting it with male growls and clean vocals. Their music often featured lengthy, grandiose tracks that incorporated slow doom riffs alongside mid-tempo gothic metal elements.