The albums below is my definition of extreme metal music, regardless of their genre. Entire list is based only on my personal preferences in metal.
Rules:
1. One album per band
2. 305 groups/305 albums…

1.In Flames - Clayman

2.Metallica - ...And Justice For All

3.Chimaira - Chimaira

4.Death - Symbolic

5.Testament - The New Order

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Must Listen: The First 11…

1.Nightwish - Dark Passion Play

2.Paradise Lost - In Requiem

3.Kamelot - Ghost Opera

4.Symphony X - Paradise Lost

5.Allen/Lande - The Revenge

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1.Windir - 1184

2.Enslaved - Isa

3.Keep Of Kalessin - Armada

4.Alcest - Écailles De Lune

5.Immortal - Sons Of Northern Darkness

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1.Wintersun - Wintersun

2.Be'lakor - Stone's Reach

3.Ensiferum - Ensiferum

4.Septicflesh - Communion

5.Insomnium - Above The Weeping World

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1.Neurosis - Given To The Rising

2.Rotting Christ - Theogonia

3.Electric Wizard - Witchcult Today

4.Finntroll - Ur Jordens Djup

5.King Diamond - Give Me Your Soul... Please

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one album from each group (in alphabetical order)…

1.Agalloch - Ashes Against The Grain

2.Be'lakor - Stone's Reach

3.Black Sabbath - Paranoid

4.Burzum - Filosofem

5.Dissection - Storm Of The Light's Bane

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1.Be'lakor - Of Breath And Bone

2.Be'lakor - Stone's Reach

3.Ne Obliviscaris - Portal Of I

4.Orphaned Land - Mabool

5.Protest The Hero - Fortress

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1.Porcupine Tree - Fear Of A Blank Planet

2.Pain Of Salvation - Scarsick

3.Riverside - Rapid Eye Movement

4.Diablo Swing Orchestra - The Butcher's Ballroom

5.Threshold - Dead Reckoning

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