Diapsiquir are a french experimental black/industrial black metal band from Dourdan, France. Formed in 1996, the band exists as a duo of Toxik Harmst (Arkhon Infaustus, Battlehorns) and VulgR (formerly known as Aymer). They released their first demo, Pacta Daemonarium in 1999, followed by a split album with Battlehorns and another demo before recording their first full length album on End All Life Productions in 2003. Their second full length, Virus S.