Wrath plans to have this conversation again when Five is sober as well. He's telling him for both reasons: both because they are friends (and Wrath does not have many of those at all either here or in Hell) and because he does know Five to be smart and to have good ideas- ideas that would not occur to Wrath given their different experiences. In some ways, it's easier to speak of it without any expectation of a solution, because he hasn't been able to find one, and it feels like he is failing his wife- failing Hell itself for all that he is supposed to rule it.

He appreciates the seriousness with which Five attempts to listen through the haze of alcohol.

"...I had heard they had experience and knowledge of curses. Of course, the curses they were experienced with were ones of this world. They knew how to remove a cursed item from someone but not how to break the curse completely, how to dispel it, and I am afraid my own curse is far more powerful than any they have dealt with before." In the process of learning from them, Wrath gained disciples so he might have more power in the city itself. His finger slides over the rim of his glass as he looks at Five then at the revelation. "Three times? Do they remember it?" They can't if the time travel worked as intended. "Do they know?"

Somehow he doubts Five would tell them, but-