Answer: Puck, a shrewd and knavish sprite called Robin Goodfellow. Puck, is a mischievous imp of English tails, also known as Robin Goodfellow or as a Hobgoblin. This trickster was immortalized in A Midsummer Night's Dream.
Explanation:
Answer: Bc they are. ;) π π π π π π π π π π π π π π π π π π π π π π π π π
B, handwritten letters, because the letters are probably the most credible, especially since they're a first-hand account of things that happened to your ancestors, and as WorldlyGlass45 mentioned in their answer to this question on another post, you'll most likely get the most info from the letters as well.
Answer: messengers with letters
Explanation: The RUF sends messengers with letters as their warning.