The Dance of the Paroxysms.

This film tells the story of Gonthramm, a young knight who sought in vain for the Holy Grail and, on the way back to join his bride, Galeswithe, is met by Queen Banschi in the nightmarish realm of the Sylphs. Brum do Canto based the story on Charles-Marie Leconte de Lisle's Les Elfes.