Night In Gales

The Black Stream

7

Night Slasher

Night Slasher

6

Night Verses

Every Sound Has A Color In The Valley Of Night: Part 1

7

Nightfell

Never Comes The Storm

6

Nightmarer

Deformity Adrift

7

Nightrage

Abyss Rising

7

Nightwish

Century Child	7
Oceanborn	7
Once	7

Nihility

Beyond Human Concepts

7

Nile

In Their Darkened Shrines	8
Amongst The Catacombs Of Nephren-Ka	7
Annihilation Of The Wicked	7

Nita Strauss

The Call Of The Void

6

Nite

Voices Of The Kronian Moon

7

Nixil

From The Wound Spilled Forth Fire

7

No/Más

Consume / Deny / Repent

6

Noctambulist

The Barren Form

8

Nocte Obducta

Karwoche (Die Sonne Der Toten Pulsiert)

6

Noctem

Credo Certe Ne Cras

7

Nocturna

Of Sorcery And Darkness	7
Daughters Of The Night	6

Nocturnal Graves

An Outlaw's Stand

7

Nocturnus

The Key

8

Nocturnus AD

Unicursal

7

Non Est Deus

Legacy	9
Impious	8

Northern Genocide

The Point Of No Return

6

Nospūn

Opus

8

Nothingness

Supraliminal

6

Notochord

Aegis

7

Noveria

The Gates Of The Underworld

7

Noxis

Violence Inherent In The System

6

Nuclear Power Trio

Wet Ass Plutonium

8

Nuclear Winter

Seagrave

5

Numenorean

Adore

8

Oak

Disintegrate

7

Oak Pantheon

The Absen­ce

6

Oathbringer

Tales Of Valor

7

Obituary

Cause Of Death	9
The End Complete	8
Slowly We Rot	7
Dying Of Everything	7

Obscura

Cosmogenesis	8
Omnivium	8
Diluvium	8
Akróasis	7
A Valediction	7

Obscura Qalma

Veils Of Transcendence [EP]

6

Obsidian Sea

Pathos

6

Obsidian Shrine

Bloodshed Under The Black Star

7

Obsidian Tide

The Grand Crescendo

8

Obsidian Tongue

The Stone Heart [EP]

7

Obsidyen

Litany Of Iah

7

Ocean Districts

Phantom Islands

6

Ocean Of Grief

Pale Existence

8

Oceanhoarse

Heads Will Roll

7

Oceans Of Slumber

Starlight And Ash

4

October Tide

Rain Without End	9
The Cancer Pledge	8

Oddland

Vermilion

6

Odinfist

Remade In Steel

6

Odraza

Rzeczom

8

Odz Manouk

Bosoragazan (​Բ​ո​ս​ո​ր​ա​գ​ա​զ​ա​ն​)	8
Ծ​ո​ւ​ռ (Tzurr)	7

Ofnus

Time Held Me Grey And Dying

8

OHHMS

Rot

7

Okkultist

O​.​M​.​E​.​N.

6

Old Forest

Sutwyke

8

Old Night

Ghost Light

5

Olde Throne

In The Land Of Ghosts

7

Olhava

Sacrifice

6

Olim

Because

7

Omega Infinity

The Anticurrent

6

Ominous Scriptures

Rituals Of Mass Self​-​Ignition

6

Omnerod

The Amensal Rise

8

Omnium Gatherum

New World Shadows	7
Beyond	7

Omnivortex

Circulate

8

On Thorns I Lay

On Thorns I Lay

8

Once Human

Scar Weaver

6

Ondfødt

Det Österbottniska M​ö​rkret

7

Onheil

In Black Ashes

8

Ontborg

Following The Steps Of Damnation

7

Opeth

Still Life	8
Blackwater Park	8
Morningrise	7
Deliverance	7
Ghost Reveries	7
Damnation	6

Orange Goblin

Time Travelling Blues

8

Oranssi Pazuzu

Mestarin Kynsi

6

Orbit Culture

Descent

6

Organ Dealer

The Weight Of Being

5

Origin

Chaosmos

6

Origin Of Escape

Shapes

7

Orkrist

Luea

6

Oromet

Oromet

7

Ôros Kaù

Thanatos

7

Orphans Of Dusk

Spleen

7