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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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.Nevermore - This Godless Endeavor

2.Opeth - Ghost Reveries

3.Green Carnation - The Quiet Offspring

4.Porcupine Tree - Deadwing

5.Riverside - Second Life Syndrome

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