So imagine you're a hero of legend. A Beowulf or King Arthur or Hercules or Cu Cullain type. Imagine dying to a literal insect. Not a swarm of eusocial insects like wasps or ants. That might not be so surprising to an entomologist. Nor would it surprise you to learn that one of those had died to a scorpion or even a spider. Those little guys pack some serious punch in the venom department. No, imagine your great legendary hero dying to a headlouse. Something you'd use an acidy shampoo to melt alive and not think twice about. Something that in previous centuries you just ignored because they're headlice, they're not that big of a deal! Imagine mother fucking Hercules being merced by a headlouse!
I can't explain what this is in reference to because spoiler alert but imagine a legendary and undying hero being literally killed by a headlouse. Imagine what the people who spoke his name with reverence might think. Imagine how they might react to hearing from a seer that they are destined to die by the hand of a headlouse. Imagine what their final thoughts must have been: Did I really just get killed by a headlouse? I! Hercules‽ NAY! Impossible!
I'm still laughing imagining it