A world as the jar and it's lid as the barred and locked gate, or a summoner's circle... I can see it.

"Breathing holes?" Or space to breathe, at any rate. It's... pastoral. Idyllic. More peaceful than my own world.

[She leans on her staff, and sighs. Her expression drops, and she looks both weary and sad.] That and the fact that I will likely return, and in time to finish the work that I have started... that is consolation enough for me.