At Idora's behest, Achea sets a course for Kashi Isle in search of the strength she needs to restore the fallen nation of Fuajarl. But a vast desert lies between the princess and her destination, and the party might just die of thirst before they even set eyes on Kashi Isle! The merchant caravan Rangitts carries all the supplies a parched princess needs to make it across the wasteland... but at what price? New challenges arise as old ones are put to rest, and Achea's strength, will, and the very blood that flows in her veins will be tested in volume 2 of Erementar Gerade, Flag of Bluesky!