Chronicles of Dragomir. Book 3. Among the Fragments

Continuation of Luna's story in the world of precious stones! After a complete victory over Jadeida, Dragomir returns to a peaceful life. Luna is learning magic in Saphirine, the water world, while her friends prepare for their graduation exams. The... exams are not a simple formality: those Dragomir who pass them successfully will be able to participate in the duels held by the creator of Dragomir. The winners will be awarded incredible abilities.
Hyacinth, the father of Ametrine and Heliodor's right hand, unexpectedly forbids his son from participating in the greatest test of the year. Ametrine does not listen to his father and secretly prepares for the duels. But why does Hyacinth so vehemently oppose his son's participation in the competitions?
Meanwhile, Luna sees a prophetic dream — a threat looms over Dragomir once again. Who is the secret accomplice of Jadeida? And how will he use the black books this time?