Sanguis in Nocte was formed in 1999, as WL Rabenaas (vocals), Mortum (guitars) Ann (drums), Mr. Flautist (winds), and Peg (drums) to the effect mixing medieval elements with industrial base.
They recorded Alba EP, but after a year the band has separated. In 2002, Rabenaas recorded a limited EP with Ann, called: Des Pin Ich.
In 2003, Rabenaas (vocals, programming, bagpipe) and Noctis (bass, vocals) are recreated the band.
After few months, two members has joined to them from Ravenshades: Paganus (guitars) and Moth (drums). In 2004 they publish the Ai Vis Lo Lop EP. Noctis has left the band in 2006, but they foud His replacement: Major.