answer: Tolkien's Ungoliant spider deity poisoned the Two Trees and destroyed their Light. 12ky later, Sam pointed out that Frodo now carried some of that original Light in his Phial of Galadriel. Then Sam used that Light against Shelob, the daughter of Ungoliant. so, yeah, thematically relevant

answer for those who eat too much meat and salt daily and can't figure out why they have high blood pressure: