“Here it goes,” she said, and opened it.

The glare was blinding, for a heartbeat. Hierophant’s unearthly ward caught it whole, drawing it to the pillars as even the coldness coming from my frame was swept away by the raging heat. And then it dimmed, as suddenly as it had come. The mage grunted in effort. It hurt my eyes to look at it, but I did not look away: I might never see such a sight again. The ceiling above us was not torn through so much as it evaporated, the fortress around us melting like butter in the heat. The sun of Summer rose into the sky, chasing night away, and with it came dawn.

- Book 3, Chapter 45: Falling Action