Thyruz was formed back in the late summer of 1999, and the members are from Eidsvoll and Drøbak in Norway. Already next year, they did their first demo called “Fairytales in flames”. Recorded at Norges lydskole. They also did their first gigs this year.
In May 2001 they recorded “Ride this beast of nightmare” in V8 studio. This become their second demo release. Thyruz played at Gamla in Oslo, in a vorspiel to Infernofestival in April 2003. They also made their third demo this year, “Develish devine” for the first time at Myrk studio.