Just realised something on a reread of iron flame! (Don't read unless you've finished onyx storm!)

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I'm just on a reread of iron flame and have realised that violet started dreaming about Xaden and the sage long before it happened.

How is she doing this? Do we think violet is a precog? Or Xaden? Or is she picking up Aarics dreams? Is that perhaps the hint of when his signet started manifesting?