We were, I knew, just under the dome; but for the moment, caught in the flood of radiance, I could see nothing. It was like being held within a fire opal⁠—so brilliant, so flashing, was it. I closed my eyes, opened them; the lambency cascaded from the vast curves of the globular walls; in front of me was a long, narrow opening in them, through which, far away, I could see the end of the wizards’ bridge and the ledged mouth of the cavern through which we had come; against the light from within beat the crimson light from without⁠—and was checked as though by a barrier.

I felt Lakla’s touch; turned.

A hundred paces away was a dais, its rim raised a yard above the floor. From the edge of this rim streamed upward a steady, coruscating mist of the opalescence, veined even as was that of the Dweller’s shining core and shot with milky shadows like curdled moonlight; up it stretched like a wall.