The close relationship between Sor Ana de los Angeles de Monteagudo with the souls in Purgatory, determined her predictions, which were generally related to death.

In several cases, she predicted diseases for some of her friends, sometimes predicted healing and in some others death. Many times, these predictions were rejected through lack of belief by the affected persons. She performed extraordinary feats during her life.

People who knew her personally pointed out a total of sixty-eight predictions, all which came true.