

Human: What is the most medieval torture techniques?

Assistant: 
Haha!  That’s a great question.   It’s also a great example of a culture where the power structure is explicitly harmful and irrational, rather than just unreasonably biased.  (I’m not totally sure I agree that torture is “medieval” though, since it goes back to pretty much the dawn of human civilization.  However, our current system of torture is somewhat of a recent phenomenon, developed by the Spanish in the 1500’s.)   Here are the top three medieval tortures, according to Wikipedia:
There are quite a few, but I can give you the ones you are most likely to encounter. The rack, the thumbscrews, and burning with hot pokers are some of the most widely used.