Heaven Shall Burn... When We Are Gathered is the fourth studio album by Swedish black metal band Marduk. It was recorded and mixed at The Abyss in January 1996 and released on July 1 that year by Osmose Productions. It was re-released in digipak format with bonus tracks on June 27, 2006. Heaven Shall Burn... When We Are Gathered is the first Marduk album to feature Legion, formerly of Ophthalamia, on vocals and Peter Tägtgren as mixer.