Despair

The end of these other poor wretches who are in great misery.

"How terrible and dark is their death! Because in the moment of death, as I told you, the Devil accuses them with great terror and darkness, showing his face, which you know is so horrible that the creature would rather choose any pain that can be suffered in this world than see it; and so greatly does he freshen the sting of conscience that it gnaws him horribly. The inordinate delights and sensuality of which he made lords over his reason, accuse him miserably, because then he knows the truth of that which at first he knew not, and his error brings him to great confusion.

"In his life he lived unfaithfully to Me -- self-love having veiled the pupil of the most holy faith -- wherefore the Devil torments him with infidelity in order to bring him to despair. Oh! how hard for them is this battle, because it finds them disarmed, without the armor of affection and charity; because, as members of the Devil, they have been deprived of it all. Wherefore they have not the supernatural light, neither the light of science, because they did not understand it, the horns of their pride not letting them understand the sweetness of its marrow. Wherefore now in the great battle they know not what to do. They are not nourished in hope, because they have not hoped in Me, neither in the Blood of which I made them ministers, but in themselves alone, and in the dignities and delights of the world. And the incarnate wretch did not see that all was counted to him with interest, and that as a debtor he would have to render an account to Me; now he finds himself denuded and without any virtue, and on whichever side he turns he hears nothing but reproaches with great confusion. His injustice which he practiced in his life accuses him to his conscience, wherefore he dares not ask other than justice.

"And I tell you that so great is that shame and confusion that unless in their life they have taken the habit of hoping in My mercy, that is, have taken the milk of mercy (although on account of their sins this is great presumption, for you cannot truly say that he who strikes Me with the arm of My mercy has a hope in mercy, but rather has presumption), there is not one who would not despair, and with despair they would arrive with the Devil in eternal damnation." - The Dialogue of St. Catherine of Sienna