Country of origin: 　　Poland 　　Location: 　　Jelenia Góra/Karpacz, Lower Silesia 　　Status: 　　Active 　　Formed in: 　　1985 　　Genre: 　　Thrash Metal 　　Lyrical themes: 　　Demons, Killing, Hatred, War 　　Current label: 　　RDS Music 　　Years active: 　　1985-1987, 1988-1991 (as Hammer), 2002-2003 (as Hämmer), 2012-2013 (as Hämmer), 2013-present