On 8 June 1429, at Selles-en-Berry (Selles-sur-Cher), he rejoined the royal army which reunited Joan of Arc and the duke of Alençon to seek the liberation of the Loire Valley after the raising of the siege of Orléans. He has left, in a letter to his mother, a living portrait of Joan of Arc, of whom he was a fervent admirer. They distinguished themselves at Jargeau, Beaugency, and above all Patay, where he fought in the vanguard.