I shall have to think back to when I believe it first started. [Having the crown allows her to think a little clearly, so this is no longer a challenge.]

Perhaps a short while after the dragon's attack on the village. I had used up a lot of my power, but I continued to feel weak despite several days of rest. At first, that was all it was. A bit of tiredness, a slight headache, but soon I began noticing the shadows...