American hallucinatory bestial death metal sorcerers Diabolic Oath return with their brand new Unholy Barbaric Hymns, four new tracks of their staple and unprecedented fretless sonic destruction. Swathed in dissonance and liquefying into free-form chaos, the band's occult and ritual-like psychedelic extreme metal keeps evolving beyond new thresholds of devastation, christening an evolution through technical force.