Ancient prophecy claimed that when the stars chose a commoner, the "False Crowns" on the floating isles would wither.

Should the ending be a or a cliffhanger for a sequel?

A constellation appeared on Elara's throat—the mark of the Star-Crowned.

It struck the earth mere feet from Elara, but there was no crater. Instead, a pulse of silver light expanded, freezing the wind and silencing the forest. In the center of the light stood a suit of armor made of hollow glass, pulsing with the heartbeat of a dying sun.

Inside the Star-Forge, Elara faced a choice. She could return the light to the sky and save herself, or she could become the "One True Queen" and tether the floating islands to the earth, ending the divide forever.