In this thread, you will post a video of the most extreme band you have listened to, and you think that they are at the pinnacle of Extreme Metal. It need not necessary be Metal, it should be something that is too hardcore for you...And its necessary that you have listened to it before. Also a comment on the band will be appreciated.
For me, it will have to be Napalm Death. Its a Grindcore band from Birmingham, England. Its something even a Death Metal fanatic like me finds it extreme. Believe me in this, they will succeed in increasing your blood pressure. The following is a song called Sink Fast Let Go by them...And its one of the extreme pieces by the band:-