No, you don’t. Where did you get that from? I wasn’t in the BoA
And btw a “sacrifice” and an offering are two different things - I think you mean offering. Remember, he’s not a narcissistic psycho like someone who shall remain nameless. 
Azazel need no such new-age “baby-witch” fluff. I work with him heavily I’ve never given him offerings or made him an alter. Neither sigil nor ceremonial magick require the use of alters or offering..
If you have to do anything you want to learn how to banish and cleanse before anything else.
It’s made up by the Catholic church somewhen in medieval European times. The Jews have a dry featureless underworld called Sheol, and Jesus taught reincarnation and that the kindom of god is within you and in everything, not anywhere else - there’s no heaven or hell, your life now is everything, not after.
Check out the book The History of Hell for the historical details
That’s the point of it It’s basically mind control to keep people paying out and doing as they’re told. Some people are amoral and need their ethics handed to them, free thinkers tend to have a personal code and don’t need that.
We have a ton of posts in here about people finding ways to psychologically heal from being mental-emotionally abused by religious families, from shadow work to Cohzier (Who Stands Against The “Troll God” Of Abraham) there’s options for everyone.