Deus Mortem - Polish music group performing black metal. It was established at the end of 2008 in Wrocław on the initiative of guitarist and vocalist Marek "Necrosodom" Lechowski, known among others for performances in groups Anima Damnata and Thunderbolt. The musician invited Zbigniew "Inferna" Promińskiego - drummer of the band Behemoth to cooperate. In September 2011, the group took their first tour before the performances of the bands Bulldozer, Azarath and Witchmaster .