The ceiling of the room is decorated with frescoes with the “Stories of Consalvo de Cordova”, first viceroy of Naples, winner in the war for the possession of the Kingdom of Naples between France and Spain (1502-1504).

The large scenes of the rectangular compartments depict "The Conquest of Calabria", "the Challenge of Barletta", "The Duel with La Palisse in Ruvo di Puglia", "Consalvo di Cordova's meeting with the ambassadors of Naples who offer him the keys of the city ”and, on the wall of the balcony“ The triumphant entry into Naples of the Gran Capitano through Porta Capuana ”.

The coats of arms of the viceroy Count of Lemos, who ruled from 1610 to 1616, are painted in the angular segments of the vault. authority that is far away: the king of Spain.

The seventeenth-century sources already mentioned Battistello Caracciolo as a painter active in the Royal Palace, but the attribution of the frescoes dates back to the scholar Roberto Longhi (1943). In this cycle Battistello paints with a strictly narrative will, completely akin to Caravaggio's naturalistic choice, the portrait of which appears among the onlookers at the center of the scene of the Ambassadors, representing a tribute to the great Master perhaps just a year after his death.