An oracle is per the definition of the Cambridge dic:
(especially in ancient Greece) a female priest who gave people wise but often mysterious advice from a god, or the advice given.
Someone who knows a lot about a subject and can give good advice.
In the forbidden way, it is a dark scary ritual like moving the Ouija board, except crazy me is there too, to screw the fallen priest by moving, as soon asked to put the hands off and below the table, the board with an electro magnet build in device (but building that table is a pain in the ass and the occults keep gossiping turning it into a one use only...anyway).
Or you use it as a psychologic self reflecting tool using e.g. the Bible. The Bible makes sense because of the mystic power and cultural importance here.
This is how to do it, but you'll be possibly facing excommunication:
Think and phrase a question and write it down. Take a copy of the Bible and open it randomly, like taking a part of a set of cards form the card giver during mixing cards, and put your finger onto one of the most likely four rows on the open double page.
Note down the part of the bible, the word your finger is on, the phrase and possibly the paragraph and maybe even the entire chapter.
The trick is to than create theories and concepts how the word or phrase and paragraph might relate, based on your own assumptions and understanding, onto your question using your very own creativity and understanding of the situation, being a random kick-off-point to self-reflect from a book that is an entire metaphor from the first to last page anyway.
....and don't take it too serious...just like life...we are all food for the worms.
