No Turning Back

Metalcore

11 Albums

Nox

Death Metal

3 Albums

ObnoXiouS

Thrash Metal

1 Album

Obtruncation

Death Metal

2 Albums

Occult

Thrash Metal

8 Albums

Octavarium

Progressive Metal

6 Albums

Öde

Black Metal

1 Album

Officium Triste

Doom Metal

12 Albums

OLTAS

Death Metal

1 Album

Omgeving

Doom Metal

1 Album

ONEGODLESS

Sludge Metal

2 Albums

Onheil

Melodic Black Metal

4 Albums

Onhou

Metal

2 Albums

Opaque Mass

Death Metal

1 Album

Ophiuchi

Post-Metal

2 Albums

Orewoet

Black Metal

1 Album

Orodruin

Black Metal

3 Albums

Orphanage

Death Metal

5 Albums

Ortega

Sludge Metal

5 Albums

Ossaert

Black Metal

3 Albums

Outkraaij

Alternative Metal

1 Album

Paradox Machine

Metal

1 Album

¡Pendejo!

Stoner Metal

5 Albums

Pentacle

Death Metal

9 Albums