Seriously though, if you're looking for a primer to CHAOS MAGICKS(TM) and you want something a bit less religious, http://orig10.deviantart.net/abcd/f/2017/047/8/6/the_psychonaut_field_manual_fourth_pdf_edition_by_bluefluke-d8rjuxc.pdf
This is fantastic, and also chapter 4 finally went up.