Númenor

Tales From The Edge Of Time

6

Nunslaughter

Red Is The Color Of Ripping Death

6

Nydvind

Nydvind / Bornholm [Split]

8

Nygmalion

Deluminate

8

Oak Pantheon

The Absen­ce

7

Oakenshield

Gylfaginning	8
Legacy	7

Obituary

Slowly We Rot	8
Cause Of Death	8
The End Complete	8
World Demise	8
Back From The Dead	8
Anthology [Compilation]	8
Frozen In Time	8
Xecutioner's Return	8
Inked In Blood	8
Ten Thousand Ways To Die [EP]	8
Obituary	8
Dying Of Everything	8
Darkest Day	7

Obscenity

Summoning The Circle

7

Obscura

Cosmogenesis	10
Omnivium	8
Akróasis	8
Diluvium	8
A Valediction	8

Obscurity

Várar	7
Schlachten & Legenden	7
Thurisaz	7
Tenkterra	7
Obscurity	7
Vintar	7
Streitmacht	7
Skogarmaors	7

Obsidian Kingdom

Mantiis - An Agony In Fourteen Bites

8

Occult

Of Flesh And Blood

7

Oceans Of Slumber

House Of The Rising Sun [Single]	9
Winter	8
The Banished Heart	8
Oceans Of Slumber	8
Starlight And Ash	8

October Falls

A Collapse Of Faith	10
The Plague Of A Coming Age	10
Marras - Eight Hymns For Sheol And Nature	9
Tuoni [EP]	9
The Womb Of Primordial Nature	9
The Streams Of The End [EP]	8
Sarastus [EP]	8
A Fall Of An Epoch	8

October Tide

Rain Without End	10
Grey Dawn	10
Tunnel Of No Light	10
A Thin Shell	9
In Splendor Below	9
Winged Waltz	8
The Cancer Pledge	7

Odem Arcarum

Outrageous Reverie Above The Erosion Of Barren Earth

8

Of Mice & Men

Tether

5

Offensive

Blast From The Past

5

Officium Triste

Giving Yourself Away	10
Mors Viri	10
Reason	9
The Pathway	9
Charcoal Hearts - 15 Years Of Hurt - [Compilation]	9
Broken Memories [Split]	9
The Death Of Gaia	9
Behind Closed Doors [Single]	9
Ne Vivam	8

Old Forest

Black Forests Of Eternal Doom

6

Old Man's Child

The Pagan Prosperity	10
Ill-Natured Spiritual Invasion	9
Born Of The Flickering	8
Revelation 666 - The Curse Of Damnation	8
In Defiance Of Existence	8
In The Shades Of Life [Demo]	8
Slaves Of The World	8
Vermin	7

Olim

Because

7

Olympus Mons

Healer

8

Om

God Is Good	6
Advaitic Songs	6

Omega Diatribe

Metanoia

7

Omnium Gatherum

Years In Waste	7
The Redshift	7
New World Shadows	7
Beyond	7
Grey Heavens	7
The Burning Cold	7
Origin	7
Stuck Here On Snakes Way	6

On Thorns I Lay

On Thorns I Lay

7

Once Human

Evolution

6

Ondfødt

Oldfodt [EP]

7

Ondskapt

Arisen From The Ashes

6

One Man Army And The Undead Quartet

21st Century Killing Machine	8
Error In Evolution	7
Grim Tales	7
The Dark Epic...	7

Opera Diabolicus

Death On A Pale Horse

7

Opeth

Morningrise

10