In the history of the Church there is a long list of Saints and Mystics who had eye-opening visions and interviews with the souls of purgatory. From Saint Gertrude to Catherine from Genoa, from Leonardo from Porto Maurizio to Pio from Pietrelcina, the saints are those who have practiced the most in love for the souls of Purgatory. And they teach us, with the whole Church, to profit indulgences in favor of the deceased