Dimmu Borgir
Carach Angren
Thy Antichrist
Mayhem
Emperor
Nightside Glance
Darktrhone
1349
Krake

Carach Angren
Nachblut
Illnath
Unendlich
Khold
Morbid Violence
Episode 13
Gravewurm
Samael
Unlight
Crimson Moonlight
Demontuary
Ancient

Carach Angren, Dimmu Borgir, Immortal, Imperium Dekadenz, Horna, Gorgoroth, Dark Funeral, Behexen, Behemoth, Ayat, Rotting Christ, Satyricon, 1349

Shining, Nokturnal Mortum, Nightbringer, Nidsang, Acrimonious, Chaos Invocation, Merrimack, Svartsyn, Melechesh, Marduk, Storming Darkness, Most Dimmu Borgir, Older Satryicon (not the last few pieces of crap), Emperor, Immortal, Deathspell Omega, Darkthrone, Dark Fortress, Drudkh, Watain, Thantifaxath, Dark Funeral, Enthroned, Odem Arcarum and many more.

In no particular order:

Marduk
Dark Funeral
Black Funeral
Funeral Mist
Mayhem
Immortal
Impaled Nazarene
Inquisition
Satanic Warmaster
Summoning
Numenor
Dimmu Borgir
Watain
Beyond Ye Grave
Behexen
Beherit
Anal Blasphemy
Archgoat
Emperor
Carpathian Forest
Ancient
Angantyr
Pest
Gorgoroth
Carach Angren
Ruins of Beverast
Darkspace
Enthroned
Darkthrone
Taake
Infestum
1349
God Seed
Tsjuder
Baptism
Ragnarok
Mutiilation
Judas Iscariot
Darkened Nocturn Slaughtercult
Setherial
Sargeist
Horna

I like only the music...

1. Agalloch
2. Summoning
3. Dissection
4. Emperor
5. Aquilus

That's my Top 5 List

1.Dark Funeral
2.Dimmu Borgir
3.Immortal
4.Marduk
5.Carach Angren

https://www.youtube.com/watch?v=plh22lTpnjY

https://www.youtube.com/watch?v=TEVodXzNmPM

Deathspell Omega
Darkthrone
Dissection
1349
Behexen
Godless North
Gorgoroth
Kvist
Nocternity
Pest
Sael

Nae'blis
Make A Change Kill Yourself...
Totalselfhatred
Veil
Cuscuta
Taiga (Rus)
Arkona (Pol)
Cult Of Fire
Bergrizen
Araxas
Carpathian Forest
Austere
Silencer
Buzruh
Funesto
Lutomysl
Grief
Mgla
Sterbend
Urfaust
Grisatre
Raventale
Gorgoroth
And the list can go on yet a long time, but these are pretty much the most important bands.