[It may seem trivial to her, but for Archer is a bit more serious. Almost dying due to it... he doesn't want to wait much longer or to look for siphoners to do the job. He wants to make sure the curse leaves and Morganna is one that would definitely get it out in one try.]

I did think of the payment... but I figured nothing material I possess is enough for a Goddess of your status. Surely you have other ideas of what I could pay you with... that is what I put my trust on.

[He is willing to pay a prize she sets. That speaks for what he's willing to do to get rid of this curse.]