Mortuary Oath Is A Death Doom Metal Band Formed In LeClaire Iowa United States In 1994. Blakk Maskim AngelKill Is Responsible For All Vocals And Instruments. Mortuary Oath Released Two Albums "Once Upon A Dreary..." 1996 And "Whispers From Her Grave" 2000 A Third Album Titled "The Gravedigger's Tale" Was Supposed To Be Released But It Has Yet To See The Black Of Day.