The Mysterious Invitation [Ep 1]

In a quaint village nestled amidst towering mountains, there lived a man named Ethan. He was known far and wide for his extraordinary intellect and his knack for solving the trickiest of riddles. One day, Ethan received an unusual invitation—a parchment with cryptic symbols and a single riddle:

"I speak without a mouth and hear without ears. I have no body, but I come alive with the wind. What am I?"

Curious and intrigued, Ethan set out on a journey to unravel the mystery behind the invitation.