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Don't you think that Arandor can't substantiate any of his suspicions?

I copied the post and highlighted the most important parts, and even without that, you can guess who the killer is.
And Ney didn't block anyone, because she doesn't know how.

Azi, don't listen to him, he doesn't know anything himself.

Added 1 minute ago

Do I seem to be, or is Arandor talking nonsense about "I know the killer!!!"?

Yes, I am the killer and I killed myself. Muhahaha
If you don't know the roles, that doesn't mean others don't know them either.
You can, of course, continue to be clueless and drag out the game until everyone dies, then you'll look stupid and we can laugh.