La Tormenta Esmeralda (La Decisión de la Espada 2)

Noakh travels to the Earth Kingdom along a forgotten route, perfect for crossing borders undetected. Nothing goes as planned, and his life is in greater danger than ever. Not only his, but also the lives of his traveling companions. Vienne must undertake a suicide mission to hunt down the kingdom's most dangerous enemy, and she will not emerge victorious unless she masters the sacred sword. But how?