Luna snapped her head around as her chamber doors crashed open. Her sister stood silhouetted by the harsh shadows of the setting moon, and she knew what was about to happen. Too late, she saw her Elements levitate towards Celestia. Luna stepped forward, charging her horn—but she could not strike her own sister down. The light in her eyes faded as she released her final spell to the sky and lowered her head and prepared to die at her sister’s hooves.