Ordo Nobilis is a survey of Mythic European nobility. It looks behind the stereotypes, presenting a detailed picture of the noble life by defining what a noble is, what various noble ranks and titles mean, how nobles interacted with each other and the broader society. Included in this sourcebook for Ars Magica, youll find a number of new mechanical options for combat, a new system for monetary record-keeping based on Mythic Penny, a new system for resolving legal conflicts, and (3) scenarios that take full advantage of these options.