Netherbird

Arete

8

Neurotech

Ave Neptune

6

Neverus

Burdens Of The Earth

7

Névoa

Towards Belief

6

Night Crowned

Impius Viam	8
Hädanfärd	8
Rebirth Of The Old [EP]	8
Tales	8

Night Resident

Darkness Is My Home

7

Night Shall Drape Us

Lunatic Choir

6

Night Verses

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

8

Nightland

The Great Nothing

8

Nightmarer

Deformity Adrift

7

Nightrage

Remains Of A Dead World	7
Abyss Rising	6

Nightshade

Sounds Of Dark Matter

5

Nihility

Beyond Human Concepts

6

Nile

The Underworld Awaits Us All

8

Ninkharsag

The Dread March Of Solemn Gods

7

Noctambulist

The Barren Form

7

Noctem

Credo Certe Ne Cras

8

Noctem Aeternus

My Spectre Around Me Night And Day [EP]

7

Nocturnal

Serpent Death

6

Nocturnal Graves

An Outlaw's Stand

6

Nocturnus AD

Unicursal

5

Noltem

Illusions In The Wake

8

Non Est Deus

Legacy

8

None

Inevitable

6

Nordjevel

Fenriir [EP]	7
Gnavhòl	7

Norma Jean

Deathrattle Sing For Me

7

Norse

Ascetic

6

NorthTale

Eternal Flame

7

Nospūn

Opus

9

Nothing Sacred

No Gods

6

Novena

Eleventh Hour	7
The Stopped Clock [EP]	7

Noveria

The Gates Of The Underworld

7

Nuclear Winter

Seagrave	7
Greystone	6

Numenorean

Adore

9

Nunslaughter

Red Is The Color Of Ripping Death

7

Nyktophobia

To The Stars

7

O Zorn!

Vermillion Haze

6

Oak

Disintegrate

6

Oak Pantheon

In Pieces	10
The Absen­ce	8

Oak, Ash & Thorn

Our Grief Is Thus

6

Oathean

The Endless Pain And Darkness

7

Obituary

Dying Of Everything

6

Obscura

Omnivium	10
Cosmogenesis	9
Akróasis	9
Diluvium	9
A Valediction	8
A Celebration I - Live In North America [Live]	8

Obscura Qalma

Apotheosis

7

Obscurity

Skogarmaors

6

Obsidian Tide

The Grand Crescendo	9
Pillars Of Creation	8

Obtained Enslavement

The Shepherd And The Hounds Of Hell

7

Ocean Of Grief

Pale Existence

7

Oceans

The Sun And The Cold	6
Hell Is Where The Heart Is	5

Oceans Of Slumber

Starlight And Ash

7

October Tide

In Splendor Below	9
The Cancer Pledge	9
Winged Waltz	8

Octoploid

Beyond The Aeons

8

Odd Dimension

The Blue Dawn

7

Odraza

Rzeczom

9

Ofdrykkja

Gryningsvisor	7
After The Storm	7
A Life Worth Losing	6

Ofermod

Pentagrammaton	7
Mysterium Iniquitatis	7

Officium Triste

Hortus Venenum

8

Okkultist

O​.​M​.​E​.​N.

7

Old Forest

Mournfall	8
Sutwyke	6

Olde Throne

In The Land Of Ghosts

7

Omnerod

The Amensal Rise	9
Construction [EP]	8

Omnium Gatherum

New World Shadows	10
Beyond	10
Origin	8
Slasher [EP]	7

Omnivortex

Circulate

8

On Thorns I Lay

Threnos	9
On Thorns I Lay	8

Once Human

Scar Weaver

6

Ondfødt

Det Österbottniska M​ö​rkret

6

Onheil

In Black Ashes

7

Oni

Loathing Light

4

Onmyo-Za

金剛九尾	7
鬼子母神	7

Opera Diabolicus

Death On A Pale Horse

8

Opera Magna

Of Love And Other Demons	7
Heroica	6

Opeth

My Arms, Your Hearse

10