Obsidian Tongue

The Stone Heart [EP]

8

Obsidious

Iconic

7

Obtest

Iš Kartos Į Kartą	7
Auka Seniems Dievams	7
Tūkstantmetis	6

Occult Burial

Burning Eerie Lore

7

Occultation

Silence In The Ancestral House

8

Ocean Chief

Den Tredje Dagen

7

Ocean Of Grief

Pale Existence

7

Oceano

Ascendants

6

Oceans

The Sun And The Cold

7

Oceans Of Slumber

Where Gods Fear To Speak

8

October Falls

A Fall Of An Epoch

7

October Tide

In Splendor Below	7
The Cancer Pledge	7

Odd Dimension

The Blue Dawn

7

Oddland

Vermilion

6

Odraza

Rzeczom

7

Of Darkness

Missa Tridentina

7

Ofermod

Pentagrammaton

7

Oferwintran

It Often Befalls Those

7

Officium Triste

Hortus Venenum

7

Ofnus

Time Held Me Grey And Dying

7

OHHMS

Close	7
Rot	7

Okkultokrati

La Ilden Lyse

7

Ol Drake

Old Rake

7

Old Corpse Road

On Ghastly Shores Lays The Wreckage Of Our Lore

7

Old Forest

Back Into The Old Forest	7
Sutwyke	7

Old Growth

Mossweaver

7

Old Man Gloom

The Ape Of God

7

Old Silver Key

Tales Of Wanderings

6

Olde Throne

In The Land Of Ghosts

7

Olkoth

At The Eye Of Chaos

7

Omega

Nebra

8

Omega Infinity

Solar Spectre	8
The Anticurrent	7

Omination

NGR

7

Ominous Ruin

Amidst Voices That Echo In Stone

7

Omnerod

The Amensal Rise

8

Omnium Gatherum

The Burning Cold	7
Origin	7

Omnivortex

Circulate

7

On Thorns I Lay

On Thorns I Lay

7

Once Human

Scar Weaver

7

Ondfødt

Det Österbottniska M​ö​rkret

7

One Tail, One Head

Worlds Open, Worlds Collide

5

Onirism

The Well Of Stars [EP]

7

Onslaught

Sounds Of Violence	9
Killing Peace	8
In Search Of Sanity	8
VI	8
Generation Antichrist	7

Oomph!

Ritual

6

Opera Diabolicus

Death On A Pale Horse

7

Opera IX

Strix Maledictae In Aeternum

7

Operation: Mindcrime

The Key

6

Opeth

Still Life	10
Damnation	10
Ghost Reveries	10
My Arms, Your Hearse	9
Blackwater Park	9
Deliverance	9
Watershed	9
Heritage	9
Orchid	8
In Cauda Venenum	8
The Last Will And Testament	8
Pale Communion	7

Ophis

The Dismal Circle	7
Spew Forth Odium	7

Ophiuchi

Shibboleth

7

Opium Lord

Vore

7

Orange Goblin

Healing Through Fire	9
A Eulogy For The Damned	9
Frequencies From Planet Ten	8
Thieving From The House Of God	8
Back From The Abyss	8
Time Travelling Blues	7
Coup De Grace	7

Oranssi Pazuzu

Muukalainen Puhuu	8
Mestarin Kynsi	8
Muuntautuja	8
Värähtelijä	7

Orbit Culture

Nija	7
Shaman [EP]	6

Orden Ogan

Gunmen

6

Ordinance (FIN)

In Purge There Is No Remission

7

Orecus

Dreadnought

6

Organectomy

Existential Disconnect

7

Origin

Omnipresent	7
Unparalleled Universe	7

Orkan

Element	7
Livlaus	6

Ornamentos Del Miedo

Escapando A Través De La Tierra

7

Ôros Kaù

Thanatos

7

Orphalis

As The Ashes Settle

7

Orphaned Land

El Norra Alila	9
The Never Ending Way Of ORwarriOR	8