Gaia's POV

Sleep wouldn't come.

I lay in bed, staring at the ceiling as the hours crawled past. Every time I closed my eyes, I saw Isabella leaning over Astrein, her head moving in that unmistakable rhythm.

My first instinct was to pack my things and leave Rose Heart immediately. To run back to Volcano Valley and never look back.

But reason prevailed over heartbreak.

I'd come here for a purpose—to strengthen my human combat abilities for the battles ahead. The ...