The Tower of Troubles is a Mages guild where young wizards and sorcerors are trained in the Art. It arose as a compromise between the gods of Bareel and the human practitioners of magic.
Specially treated troll flesh dried in strips like jerky which heals in small doses.
No one is allowed to do harm to those of Highest/ Imperial rank, those of the Imperial household or those related within two steps of blood. The second tradition is an executioner must be of a higher rank than those he executes. This leads to "issues" when someone tries to harm a member of the Imperial clan or when these members are subversive. Such people are often killed by the being chained under a giant bell. They die within a day or so from the vibration, but they die untouched by Human hands.