If you were watching Kimetsu no Yaiba with full attention, you must be aware that the Blue Spider Lily was an essential ingredient in the drug that Muzan Kibutsuji's doctor-developed to help him live. The flower was believed to be similar to its cousin, the Red Spider Lily (Lycoris radiata) but was colored blue instead of red. Although a true blue spider lily is unknown (or at … [Read more...] about This Flower Looks Exactly Like Demon Slayer’s Blue Spider Lily