Memories of Light - Day Eight

The release of A Memory of Light, the final volume of Robert Jordan's epic Wheel of Time series, is now only days away. To celebrate this tremendous moment, decades in the making, we will be releasing daily previews of the final volume. Sentences, words, paragraphs, chapter titles...memories, if you will, of light.

Today's Memory of Light is: 

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Egwene strode around a frozen pillar of glass in her dream. It almost looked like a column of light. What did it mean? She could not interpret it.

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 All will be revealed when A Memory of Light goes on sale on January 8th, but until then, join the ongoing discussion of each new piece of the puzzle on the Memories of Light spoiler thread.