Destroyer – or About How to Philosophize with the Hammer is the fourth full-length album by Norwegianblack 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 one to be featured on all tracks. Four different vocalists are featured on the album, including Infernus on two tracks, Pest on four tracks, and T-Reaper and new vocalist Gaahl each on one track. The album was re-released in 2006 by Back on Black Records on gatefold LP. The subtitle of the album, "Or About How to Philosophize with the Hammer", is also the subtitle of Nietzsche's Twilight of the Idols, which itself would be a future Gorgoroth album title.