Maybe a hundred or two hundred years would pass there while only a day passed in the real world, and there would be very little food and water, requiring her to eat rats to survive and drink their blood to slake her thirst. Considering her love of luxury and indulging her sensual appetite, I would consider that a great punishment, especially since the stress would cause her to look aged, weathered and become more ruthless.

I have a lot of fun imagining punishments for evil minions, and I just wish some of these were used in the series.

"You've failed me."

"I'm sorry, Dark Lord, but I-"

"Have you ever been crucified and Restored countless times over the course of one hundred years?"

"Master! Nooo!!!"

<The Chosen is dragged off to a dark corner of Shayol Ghul where the Dark One's control over reality is almost complete or thrown into a portal dimension>