Y'all need to stop philosophizing and just put a name in the damn blank.
Genre: Secular, Christian
Doom Metal: Black Sabbath - Master of Reality (1971), (non-Black Sabbath) Saint Vitus - Born Too Late (1986)
Heavy Metal: Jorn - Out to Every Nation (2004), Saint - Too Late For Living (1988)
Power Metal: Helloween - Keeper of the Seven Keys, Pt. 1 (1987), Narnia - Long Live the King (1998)
Thrash Metal: Megadeth - Rust in Peace (1990), Tourniquet - Stop the Bleeding (1990)
Death/Thrash Metal: Opprobrium - Serpent Temptation (1988), Mortification - Mortification (1991)
Death Metal: Nile - Annihilation of the Wicked (2005), Crimson Thorn - Unearthed (1994)
Death/Doom Metal: Novembers Doom - The Pale Haunt Departure (2005), Paramaecium - Within the Ancient Forest (1996)
Melodic Death Metal: Edge of Sanity - Crimson (1996), Schaliach - Sonrise (1996)
Progressive Death Metal: Opeth - Deliverance (2002), Extol - Burial (1998)
(Un)black Metal: Immortal - At the Heart of Winter (1997), Kekal - Embrace the Dead (1999)
Folk Metal: Empyrium - Weiland (2002), Illuminandi - In Via (2010)
Viking Metal: Bathory - Hammerheart (1990), Slechtvalk - A Forlorn Throne (2010)