In the fantastic world of Ceal, the time of an ancient prophecy arrives, and a group composed of different species embarks on an epic journey to see it fulfilled. 'The Call of the Crystals' tells the story of their travels across the continents of Rida and Pelagia.After finding one of the legendary Crystal Shards, Bokay, a young boy of the human-like Nefilim species, and his sister Sylvia, set out on a journey to free the Goddess Nova. Accompanying them is their godmother, a Wind-Dragoness by the name of Idra, and the spirited little Puky Eyaru. Along the way, they befriend a fox named Wel and a Seraph, but there are also those who would seek their demise...