This process does not involve real money, but rather, the purchase of angel aura only costs you your soul.
(Reported) side effects include: delusion, hypersensitivity, overstimulation, nausea, and bouts of violent expulsion. You may purchase as many stones as you desire in a week, though it is grimly advised to take no more than one. Those who dared to indulge beyond that found themselves consumed by an unholy hunger, addicted beyond reason— and most were never seen beneath the light of the sun again. Before every purchase, it is required to think: "is starvation worth a little glitter on my teeth?" Buy at your own risk.