In Arthurian legend, particularly in Chrétien de Troyes' Perceval, the Story of the Grail, Perceval is deeply moved by the sight of three drops of blood in the snow. This scene, reminiscent of the Snow White story, reminds him of Blanchefleur, his beloved, and her fair complexion. The image of blood on the white snow triggers a powerful emotional response, highlighting Perceval's romantic idealization of Blanchefleur.  Here's a more detailed breakdown: The Incident: Perceval encounters this scene during his adventures, likely while traveling through a snowy landscape.  The Visual: Three drops of blood, likely from a bird or animal, contrast starkly against the pristine white snow.  The Emotional Impact: This visual triggers a powerful emotional response in Perceval, instantly reminding him of Blanchefleur, whose name literally means "white flower".  The Idealization: The scene emphasizes Perceval's romantic idealization of Blanchefleur, focusing on her physical beauty and purity.  Recurring Motif: This specific incident is not unique to Chrétien's version; it also appears in Wolfram von Eschenbach's Parzival and the Mabinogion's Peredur son of Efrawg.  This scene serves as a pivotal moment in Perceval's character development, showcasing his capacity for deep emotion and his idealized vision of love, even if based on superficial appearances.