Originally Posted by Obombration

Hardly been an extreme black metal band posted in this thread so far.

Anyway...Deathspell Omega,obviously.
Lurker Of Chalice/Leviathan to some degree.

But really,DSO are the only BM band i can think of off the top of my head that are genuinely extreme.Most other bands listed here are simply produced raw,or are atmospheric,or aren't even black metal let alone extreme black metal.Gotta lol @ someone posting Nile etc.