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Description
Cardinal de Rohan, known fully as Prince Louis René de Rohan, is a supporting character in the narrative who serves as a powerful representative of the French clergy. He is a man of significant wealth and noble standing, holding a high-ranking position within the Catholic Church. Despite his religious office, he is portrayed as a deeply flawed individual, driven more by worldly desires than by spiritual devotion.

In terms of physical appearance, the Cardinal is depicted as an older man with a large build, light grey hair, and brown eyes. He is almost always dressed in the elaborate ceremonial garments that befit his high ecclesiastical rank, a visual reminder of his status within the rigid hierarchy of the French court.

The core of his personality is defined by an all-consuming, inappropriate infatuation with Queen Marie Antoinette. His feelings for her are a matter of public knowledge at court, and he is relentless in his attempts to gain her favor and secure a private audience with her. This obsession, combined with a notable lack of good judgment, makes him dangerously gullible. He is also characterized by a materialistic and libertine nature, having indulged in numerous pleasures afforded by his fortune. His behaviour is so scandalous that other characters at court refer to him as a monster of corruption, a caricature that reflects the growing resentment towards the decadence of the aristocracy and the church. His history precedes him; before the events of the series, he served as the French ambassador to Austria, but was dismissed by Empress Maria Theresa for his arrogant and dissolute conduct. This earned him the lasting contempt of the Empress, who ensured her daughter, Marie Antoinette, was well aware of his character, leading the Queen to despise him and refuse him any personal contact.

The Cardinal's primary motivation is the fulfillment of his romantic obsession with the Queen. He is willing to spend a fortune and go to great lengths just for the possibility of a private meeting with her. This single-minded desire makes him the perfect target for the schemes of the ambitious and fraudulent Jeanne Valois de la Motte. Jeanne exploits his vulnerability, convincing him that she has influence at court and can arrange the audience he so desperately craves. She successfully swindles him out of enormous sums of money under the guise of bribing officials, such as Oscar François de Jarjayes, and making donations to the Queen. The Cardinal naively believes he is engaged in a secret correspondence with Marie Antoinette, for which he pays handsomely, not knowing the letters are forged by Jeanne's accomplices. This deception culminates in a nighttime rendezvous in the gardens of Versailles, where he is tricked into professing his love to a prostitute named Nicole d'Oliva, who is impersonating the Queen.

His role in the story is almost entirely tied to the Affair of the Diamond Necklace, which becomes a pivotal scandal that severely damages the reputation of the monarchy. He is the unwitting dupe who agrees to purchase an immensely expensive diamond necklace on behalf of the Queen, believing he has her approval. When the scheme unravels and the jewelers come to demand payment, the Cardinal is arrested and finds himself at the center of a sensational trial before the Parliament of Paris. He is eventually acquitted of any criminal wrongdoing, as the court acknowledges he was a victim of Jeanne de la Motte's elaborate fraud. However, his reputation is ruined, and his public acquittal is seen as a humiliating defeat for the Queen, whom the public increasingly views as a symbol of extravagant and corrupt royalty.

Regarding his development, the Cardinal remains a relatively static character, serving more as a cautionary figure of the nobility's moral decay. His desperation and arrogance lead him from one poor decision to the next until his world collapses. He does not demonstrate any notable combat or martial abilities; his power lies solely in his immense wealth, his aristocratic connections, and his position within the church.