Marc de la Béraudière's 1608 opus on justice, manners and polite society, One-on-One Combat in the Arena provides the fencer and the historian something more than simple advice literature. Positioned as a 'mirror for princes, ' the text defies easy classification, seamlessly blending governance principles with courtly etiquette. Béraudière offers precise instructions for princely rule -- spanning duelling, justice, peacekeeping, and noble conduct -- the text concurrently serves as a guide for courtiers, defining proper decorum in the presence of royalty and peers. He explores concepts of honour, duty, justice, and mercy, providing a comprehensive framework for appropriate behaviour in civil and courtly society.