 Although " Angel of Death " did not enter any charts , it received strong praise from critics in reviews for Reign in Blood . Clay <unk> of <unk> Magazine noted that the song " <unk> the <unk> of any band playing fast and / or heavy today . Lyrically outlining the <unk> to come , while musically laying the <unk> for the rest of the record : fast , lean and filthy . " 
