View File Regula Magistri 2 Regula Magistri 2 Regula Magistri is a mind-control "Haremocracy" mod for Crusader Kings 3. Overview   This is a continuation of the mod Regula Magistri by bobbily plus others included in the credits file.   Regula Magistri is a mind-control "Haremocracy" mod for Crusader Kings 3. The mod creates a number of traits, events, schemes and interactions which the Player can use upon gaining the power of the