A gem of immeasurable value may cover the cost. But, does Rainbow Dash understand the consequences of this purchase?

Nah.

And, that's why she pays the price anyway. It's not like she'll care once the darkness makes her hunger. Her pink servant doesn't seem to mind, either.

[WARNING!] This fic contains vore, digestion, and some fetishy behavior. The characters are not as they usually are at the story's expense!