The iron door that never swings Guards the hall where hammers sing Torches blaze with a fiery smoke Shroud the home of the thunderbolts Great machines that groan and bend Bodies black and bead with sweat And legions of the night march by Beneath the lightning clouded sky And all around you hear the sound Of thunder, thunder, thunder, thunder Thunder, thunder, thunder, thunder Voices chant in ancient rhymes Written on the edge of time Words of wisdom, tales of doom Bringing soon unearthly tunes Shadows chained lie at our side Strain for the call to ride And as the mist begins to clear The bridge to glory soon appears And all around you hear the sound Of thunder, thunder, thunder, thunder Thunder, thunder, thunder, thunder