Make 'em sweat!

Yogah of Yag

GM Research Materials: Make your visitors to Hyboria sweat!

The Thief, the Cross, and the Wheel : Pain and the Spectacle of Punishment in Medieval and Renaissance Europe (Hardcover):

The History of Torture & Execution: From Early Civilization through Medieval Times to the Present (Hardcover):*&v=glance

I haven't yet read either, but they sound very promising for the GM who wants to leave an permanent mark on the PCs. :twisted: