Conversation so far:
What is black metal?
black metal can apply to any kind of metal, so long as it is "Satanic" and "heavy".
What is death metal?
death metal can apply to any kind of metal, so long as the band "cultivates and worships death".
What are some of Euronymous' beliefs about black metal?
".
He said "If a band cultivates and worships Satan, it's black metal" and.
What were some of Euronymous' beliefs about death metal?
What's important is that it's Satanic; that's what makes it black metal".
Did Euronymous have any other ideas about black metal?
He rejected bands like Immortal being called black metal, "as they are not Satanists", but.
What were his feelings for bands if they were not "Satanists"?
Euronymous lamented the commercialization and loss of extremity within death metal.
Did Euronymous have any other interesting beliefs about black and death metal?
Euronymous originally believed that black metal should stay underground.
However.
Did he change his mind about black metal being just underground?
he later changed his mind and said the idea should be got rid of.

Question: What made him change his mind?
Self-contained rewrite: What made Euronymous change his mind about black metal always staying underground?