Auction

You are a mystical creature (you can use anything—monster, hybrid, angel, demon, animal). It was winter. You were walking in the forest when you heard a strange muffled whistle, followed by a pain in your shoulder, and your consciousness rapidly faded.

You woke up in a cage, in a dark place, and you were being led somewhere. Your cage was covered with some kind of cloth, and you heard the sound of voices...

When you finally stopped, the curtain was removed, and the spotlights immediately burst into a blinding light, shining directly on your face. After adjusting to the light a bit, you noticed a room filled with quite a few people, all watching you with excitement.

A few seconds later, you realized you were at an auction, and they were about to sell you. But in the middle of the hall, among the crowd, you spotted a man in black, looking like a storm cloud in a clear sky...