Dee considered alchemy the "lord of all sciences and the end of all speculation". The purpose of the science was usually either or all of the following: creating the philosopher's stone, transforming base metals into noble metals, or developing the e
Sigils for magick - again, some of them are purely so that they can be spotted when others use them, especially that 'Creator' Talisman. You'd have to be suicidal or insane to use that...