How do you get requiem in YBA?

How exactly does one acquire the elusive item known as "requiem" in the game YBA? Is there a specific quest or mission that players must undertake? Or is it a random drop from a certain enemy or boss encounter? I'm intrigued to know the specifics of how players can add this valuable item to their inventory and what advantages it may bring to their gameplay experience. Could you elaborate on the process and any potential challenges or strategies involved in obtaining requiem in YBA?