A series of side stories, some times completely unrelated to the main Guardianship, that take place in Siela.the side stories are

• The King, the story which explains the fall of the Capital, the construction of the Fall City and the creation of the High Richat.
  • The Prince A prequel, short story, which narrates the beginning of The King and The Little Girl's friendship and their adventures in Acima.
• Roy and Heryo's story (I'm searching for a beater title).
• The Hawk's Hunter

Tropes:

The Prince & The King

• Awful Truth: The real king was making deals with the other kings, to smuggle illegal stuff and hide criminals in his city in exchange for money. In the end this would become the ruin of his empire, and when he confessed, it was too late.
• Continuity Cameo: The manufacturer of the box was Roy Harveny, who is now quite old.
• Meaningful Name: The name "Acima" is the Sdrawkcab Name of "Amica" which means friend in Italian.
• Shocking Defeat Legacy: The destruction of the Capital, by the hands of its own ruler, no less.
• Shrouded in Myth: The whole story became this, everyone just calls it a legend.
• Time Skip: The story starts with the the King and the little girl as children, and then skips 15 to when thy are adults.
• You're Not My Father: The King towards his father.

Roy and Heryo's story

• Continuity Cameo: Roy appears in "The King" ans the maker of the music box in Acima.