Okay, he doesn't have one during the final fight with Sonic, but he's near them, maybe that's enough.
If you look at the very first game the answer seems to be yes, he needs Emeralds to Chaos Control. But I didn't want to go off-topic, so I'm making this one.ĭoes Shadow need Chaos Emerald to use his special powers? I see few people argue on that topic and I wanted to throw my few cents.