Eventually, he was able to seduce military figures with precise instructions as to the conditions of warfare in Indochina and materiel for the proposed campaign. He explained how France would be able to "dominate the seas of China and of the archipelago." The party met with King Louis XVI, Minister of the Navy de Castries and Minister of Foreign Affairs Montmorin on 5 or 6 May 1787. Prince Cảnh created a sensation at the court of Louis XVI, leading the famous hairdresser Léonard to create a hairstyle in his honour ""au prince de Cochinchine"". His portrait was made in France by Maupérin, and is now on display at the Séminaire des Missions Étrangères in Paris. Prince Cảnh dazzled the Court and even played with the son of Louis XVI, Louis-Joseph, Dauphin of France, who was about the same age.