Unless you grew the plants by the light of gemstones. The common field before Kaladin was adorned with a most uncommon sight: enormous emeralds harvested from the hearts of chasmfiends, ensconced within short iron lampposts that were in turn bolted to the stone ground. The emeralds were so large, and so full of Stormlight, that looking at one left spots on Kaladin’s vision, though it was in full daylight. Beside each lantern sat an ardent with a drum, softly banging a specific rhythm. This was the secret. People would have noticed if gemstone light made plants grow—but the mixture of the light
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