Not sure what you mean by the "twelve fundamental steps" but here are some references to read up on the subject:
They are different traditions of the QilphothI came across over my years of reading pdfs.
1)Sitra Achra from Ixaxaar deals with Azerate's 11 heads
2) Tiamat's 11 children/champions/mirror images of Tiamat's power
3) is the original that deals with the 11 grande demons