20 years after their cult debut, 'A Crystal Vision', the lineup that recorded that album returns with 'Darkness Visible'. Inspired by classic metal albums (circa 1982 to 1985) by icons Iron Maiden, Metallica, Queensryche and Mercyful Fate, Sacred Oath create their own potent mixture of dark true metal layered with crunchy galloping riffs, catchy melodies and Geoff Tate-style vocals. Sentinel Steel.