L'épreuve de Stella

Plot
Official summary translated from French:

"Stella wants to become a glass-blower, but to graduate, she must impress her audience. Her best friend has an idea: a natural glass, unique in the world, created by the Auroborus' lightning on the snow of the Mount Blanc-Manteau. But what if it was just a legend? Stella must go and find out..."

Characters

 * Iceking