Using magic to settle an IOU?
Is he trying to curse his debtor to death or create counterfeit notes?
I might not have a solution to the problem, but I can finish you instead?
…
All sorts of thoughts appeared in Klein's mind as he looked at Old Neil oddly.
He seriously considered the possibility of calling the cops, no—of informing the Nighthawks.
Old Neil shot a glance at him and said peeved, "I can see ignorance, foolishness, and the weak and shameless disbelief in your eyes. Didn't Dunn tell you the maxim of the Mystery Pryers? Do as you wish but do no harm!"