Mikael and Mats joined Helltrain after their original band, The Duskfall disbanded in 2008.
The demo was later released as "The 666 EP" (limited edition 500 copies) by Swedish underground label Heathendoom Music.
In 2007, the band quit Nuclear Blast and signed to Jimmy Franks Recording Company.
A limited vinyl LP version was later released by German DarkZone Music.
[1] After the death of Oscar Karlsson, the band went silent but returned with two singles in 2018 and also made a live appearance headlining a festival in their hometown of Luleå.