How to get asilvestrela in creatures of sonaria?

As a keen observer of the cryptocurrency and finance world, I'm also intrigued by the gaming community and its unique economies. One game that particularly piques my interest is "Creatures of Sonaria." My question is: how does one acquire "asilvestrela" in this game? I've heard rumors of its rarity and potential value, but the specifics remain a mystery. Could you elaborate on the steps needed to obtain this elusive item? I'm curious to understand if it involves completing certain quests, trading with other players, or perhaps a combination of both. Your insight would be greatly appreciated.