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.Evergrey - The Inner Circle

2.In Flames - Soundtrack To Your Escape

3.Ayreon - The Human Equation

4.Nightwish - Once

5.Wastefall - Soulrain 21

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For now the albums aren't in no particular order. I was blown away and still love all this albums after years listening. Trying to put 1 per band maximum, maybe more if they have different but awesome…

1.Opeth - Blackwater Park

2.Angra - Temple Of Shadows

3.Death - Symbolic

4.Blind Guardian - Somewhere Far Beyond

5.Metallica - Ride the Lightning

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1.Opeth - Still Life

2.Queensrÿche - Operation: Mindcrime

3.Ayreon - The Human Equation

4.Edge Of Sanity - Crimson

5.Dream Theater - Metropolis Pt. 2: Scenes From A Memory

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1.King Crimson - In The Court Of The Crimson King

2.Jethro Tull - Aqualung

3.Arena - Immortal?

4.Faith No More - Angel Dust

5.King Crimson - Red

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This is the 40 best metal albums for me.

1.Iron Maiden - The Number Of The Beast

2.Dream Theater - Six Degrees Of Inner Turbulence

3.Dream Theater - Images And Words

4.Iron Maiden - Powerslave

5.Riot - Narita

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1.Edguy - King Of Fools

2.Pain Of Salvation - "BE"

3.Edguy - Hellfire Club

4.Nightwish - Once

5.Ayreon - The Human Equation

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This is unfinished…

1.Alestorm - Captain Morgan's Revenge

2.Alestorm - Black Sails At Midnight

3.Alestorm - Back Through Time

4.Almôra - Gates Of Time

5.Ancient Rites - Dim Carcosa

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1.Bloodbath - Nightmares Made Flesh

2.Ayreon - The Human Equation

3.Iced Earth - The Glorious Burden

4.Exodus - Tempo Of The Damned

5.God Forbid - Gone Forever

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1.Enslaved - Isa

2.Orphaned Land - Mabool

3.Wintersun - Wintersun

4.Ayreon - The Human Equation

5.Into Eternity - Buried In Oblivion

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1.Pain Of Salvation - "BE"

2.Cea Serin - Where Memories Combine

3.Orphaned Land - Mabool

4.Watch My Dying - Klausztrofónia

5.Ayreon - The Human Equation

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1.Iced Earth - The Dark Saga

2.Haggard - Tales Of Ithiria

3.Darkseed - Diving Into Darkness

4.Metallica - Metallica

5.W.A.S.P. - The Crimson Idol

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