In this ultimate adventure, Antoine, Paul, and Anna face the winter of Sidroc’h and its mysteries. The Protector, the Sensitive, and the Benevolent must defeat the tyranny of the Grand Council of Druids, which is bent on destroying all the magic in their world. But they cannot do it alone.

Aided by the Keepers, they try to rally the mysterious king of the elves to their cause by traveling to the legendary Mother-Tree, the Heart of the forest. The resistance is underway, carried by the song of the inhabitants of the Black Paths. The siblings also discover the secret of the birth of the oak tree Yggdrasil and must face a terrible truth...

Will the three children succeed in fulfilling their destiny? By traveling to the mysterious castle on the sea, will they manage to restore the balance between shadow and light?

Author : Armelle Raulo (France)
publication date : March, 2026
Language : French.
Format : 21x29,7 cm - 296 pages, black and white illustrations