Biographies: The City of Lost Memories existed in the Summer Segment. This place was where memories were stored in to keep safe. It was also the place one could go to remember something they might have forgotten from the past. Scholars lived there.

Periodical: Abandoned Castle used to have two royal families living there that were constantly bickering with one another. Their heirs were both powerful power holders. One of the heirs was always rumored to desire more power than he had and no one could actually confirm what his season was; he was shown to use at least earth and fire elements.