She got the best fetish armour. And let's see her aim for the best sex scene next time. I'm interested purely for academic reasons of course, just like she is about the magic pole...
Plot twist: The poison inside the iron maiden was actually an aphrodisiac (she used word "succumb" and she wouldn't use a lethal poison against a student) so that she can have sex with MC. She wanted to record how quick and how often they will have orgasms.