"It's not an escape route for you. It's an escape route for a different person named Carissa Sevar who might exist in fifty years. Mortals probably look pretty changeable from a devil's perspective. You can't expect them to know that all time-slices of you will be as one person in this, even if that's how the future plays out."
Keltham will ask for a lot of detailed explanations of a lot of detailed terms.
And then measure out 500gp of value, mostly in platinum in this case, from that small hoard he now has.
(It's actually a bit painful! His legible asset balance just went down by a factor of 6! It would be less painful if he had knowable repeatable ways of earning more! But considering that he got this money by renting out Carissa, his brain rather needs to shut up about the fact about his legible asset balance. The remaining 100gp is, in fact, exactly that amount he demanded and was paid for going through the etiquette lessons.)
He offers the money to Carissa.
Just in case he wants to spend forever together with her, at some future point.
