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Destroyer (subtitled as: Or About How to Philosophize with the Hammer) is the fourth studio album by Norwegian black metal band Gorgoroth. It was their first release on Nuclear Blast. It contains eight tracks performed by several different lineups, with band founder Infernus being the only member to be featured on all tracks. Four different vocalists were featured on the album, including Infernus on two tracks, Pest on four tracks, and T-Reaper and new vocalist Gaahl each on one track.
Destroyer was the first album to feature Gaahl and guitarist Tormentor, the only one for T-Reaper and drummer Vrolok, the last to feature Pest until his return in 2008, and the last for drummer Frost until his return in 2004.