In the Principality of Nosuiamita ruled by a Republic, a character must undergo a Trial by combat.
He has been framed by A monster or group of monsters - mind flayers, a beholder, giants, a dragon - and if found guilty of Terrorism, his punishment will be Flesh to Stone. Perfect for filling an art gallery or museum. Under careful watch of security to prevent an ally from casting Stone to Flesh, prisoners can be put on display as an example to all, or kept in a private collection for the warden to gloat over or decorate as he sees fit.

Principality - The feudatory land, or state, ruled by a prince (monarch, technically), often ranking equally high as the duke.
Republic - A republic is a state or country that is not led by a hereditary monarch,12, but in which the people (or at least a part of its people)3 have impact on its government.
Trial by combat - Fight to the death, winner is innocent