> The victims, totally demoralised by their experience, fall dead from the vortex, wherupon > they become the burden of the Vortex' custodian, Pizpot Gargra

> The victims, totally demoralised by their experience, fall dead from the vortex, wherupon > they become the burden of the Vortex' custodian, Pizpot Gargravarr. I'd say that sort-of loosely fits "that challenges their mortality" :) PS: That name of the custodian... never noticed it before, guess I was too young and not yet as comfortable with English.