Emperor is a Norwegian black metal band formed in 1991 by guitarist and vocalist Ihsahn and guitarist Samoth. The group split up in 2001, but reunited from 2005 to 2007 for a few festival dates and brief US tours, and again reunited from 2013 to 2014. Emperor reformed for the third time in 2016.

Prometheus: The Discipline of Fire & Demise is the fourth studio album by Norwegian black metal band Emperor. It was released on October 21, 2001, through Candlelight Records. Prometheus: The Discipline of Fire & Demise differs from Emperor’s previous recordings with a focus on a more progressive style.

The album was nominated for a Norwegian Grammy Award for Best Metal album in 2001.