OBSUN

Stoner Metal

1 Album

Occvlta

Doom Metal

2 Albums

Oceans

Metalcore

9 Albums

Odal

Black Metal

12 Albums

Ødelegger

Black Metal

6 Albums

Odem Arcarum

Black Metal

4 Albums

Odium Immortalis

Black Metal

1 Album

Odroerir

Folk Metal

5 Albums

OHL

Thrash Metal

18 Albums

Old

Thrash Metal

3 Albums

Old Growth

Atmospheric Black Metal

1 Album

Old Pagan

Black Metal

7 Albums

Ølgod

Stoner Metal

1 Album

Olymp

Heavy Metal

3 Albums

Omega Massif

Post-Metal

5 Albums

Omegavortex

Death Metal

3 Albums

Omnicidal Instinct

Brutal Death Metal

1 Album

On Atlas’ Shoulders

Heavy Metal

4 Albums

One Last Hero

Metalcore

1 Album

Op de swarte Thraun

Black Metal

1 Album

Ophis

Doom Metal

6 Albums

Orae

Death Metal

2 Albums

Orden Ogan

Power Metal

11 Albums

Orkus

Black Metal

3 Albums