The Baron of Luxor and Ion Fortuna's foster brother, Radu is Ion's most trusted friend and is chosen by the Empress to accompany Ion on a mission to negotiate with the Vatican. The visit is ruined when a terrorist bomb causes the Vatican to believe Ion came to kill Cardinal Caterina, and Father Tres attacks him. Abel and Esther meet with Ion and realize it was Radu who set the bomb and betrayed Ion. As a member of the Orden, Radu was given the orders to kill Ion and Cardinal Caterina, to cause a war between the Empire and the Vatican.
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