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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AtoZ (Album)

1.Lost Horizon - A Flame To The Ground Beneath

2.Ihsahn - After

3.Anthrax - Among The Living

4.Faith No More - Angel Dust

5.Riverside - Anno Domini High Definition

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1.Bathory - Under The Sign Of The Black Mark

2.Emperor - Anthems To The Welkin At Dusk

3.Mayhem - Chimera

4.The Ruins Of Beverast - Rain Upon The Impure

5.Agalloch - Ashes Against The Grain

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1.Therion - Gothic Kabbalah

2.Shining - V - Halmstad

3.Dawn Of Tears - Descent

4.Hanging Garden - Inherit The Eden

5.Ghost Brigade - Guided By Fire

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