The hunt was about to begin, and it looked like Sauron was going to go by himself, which wouldn't be much fun at all. But then he saw a rather lonely looking lucain a little ways off. Maybe he could go over there and cheer the guy up? Egg hunts were always fun, even with complete strangers.
So, Sauron jogged over to the lucain. "Um, hi there," he said happily. "I'm Sauron, and I'm gonna hunt for Easter eggs, but I need a partner. Will you please join me? You seem like you could use some fun." All of his words came out quickly, as he was in a hurry to get started. Everyone else was already finding eggs! He gave the lucain a look that said, 'Pretty please?'