Jann has conquered Reton, but the real fight is just beginning. His controversial decision shocked everyone - rivals and supporters alike. So when friends turn into fierce enemies, powerful and cruel, will the burden of power prove too much for the young prince to bear? Things are no better in Nebelheim, where Princess Iswen is trying to protect the legacy of the fallen Velgett dynasty. Along the way, she will have to go through darkness and fire to save her people and herself. The Castle of Crystal completes the journey into the fascinating world of ancient magic and majestic kingdoms under the light of the Holy Stars.