Imprison this elf!

[AuraSeer]

Did you ever read the wonderful prison module back in 1e Dungeon? The whole prison was a wheel set horizontally in a mountain. The 365 cells were at the outer edge of the wheel, there was only one opening, and every day the prisoners pushed their cell ten feet forward. After 365 days a person's cell would come up to the opening. . . and if they were in for multiple years, back into the filth and darkness they'd go.

Aw, I was hoping I'd be the first to mention that one.

Another neat aspect of that prison was that even when a cell came around to the open slot, the entrance port in its roof was only one foot square-- too small for a human to pass through. To release a prisoner or send in a new one, they needed a spellcaster on hand to cast reduce.

The prison didn't have any innate antimagic properties that I recall. All spellcasters were forced to drink a permanent potion of stammering and stuttering, which prevented any spellcasting by ruining verbal components. An antidote was provided at release time. (This only worked before the invention of metamagic, though; there was no such thing as a Silent spell, much less a componentless one.)

Did they feed them in there?

Yep, through that 1' hole in the roof.