system
Given the following post, respond as if you're commenting on Reddit:
human
[LotR] Why do Ringwraiths burn so easily?

Aragorn swipes a Ringwraith with a torch and basically sets it aflame instantly. Why do Ringwraiths burn like they're made of hay?
gpt
Their cloaks were likely made of cotton, linen or silk, all of which are highly flammable. It is worth noting that their actual forms would have been perfectly fine (as evidenced by them showing up again less than a day later), but with their physical forms destroyed or damaged, they were basically out of the fight temporarily.