I'm aware that this bass tab is located under a guitar tab.
Intro
|--------|
|--------|
|--------|
|-6-8-5~-|
Main riff
|------------------------------------------------------------------------|
|------------------------------------------------------------------------|
|------------------------------------3-----------------------------------|
|-6-8-55-555555555-6-8-55-555555555-3--33-33333333-1111-6-8-55-555555555-|
You must repeat this two times untill the chorus begins.
Chorus
Die in fire! Die in fire! Die in fire!
|---------------------------------|
|---------------------------------|
|---------------------------------|
|-55-55555-33-33333-11-11111-3333-|
[ Tab from: http://www.guitaretab.com/b/bathory/81691.html ]
Second last chorus
|---------------------------------|
|---------------------------------|
|---------------------------------|
|-55-55555-33-33333-11-11111-3333-|
|----------------------------------------------|
|----------------------------------------------|
|----------------------------------------------|
|-55-55555-77-77777-88-88888-10-10-10-10-10-10-|
Outro
|-----------------------|
|-----------------------|
|-----------------------|
|-5------6-8-5----6-8-5-|
The order in which the riffs are played:
Intro x1
Main riff x2
Chorus x2
Main riff x2
Chorus x2
Main riff x2 (This is when the guitar solo takes place)
Second last chorus x1
Main riff x2
Chorus x4
Main riff x1
Outro x1