Thunder Punch He-Man vintage vs Origins.
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Biggest difference, obviously, no caps. The vintage figure came with six ring caps which you would insert by opening the molded-on harness and placing one of the ring caps in his back. The action feature would then be activated by pulling his arm back and releasing causing one of caps in the ring to smoke and make a snapping sound. He-Man basically had the guts of a cap gun in his torso.
The new figure surprisingly still makes a sound. I didn't expect that. When you pull back his arm and release it does make a snapping sound sort of mimicking a cap going off. There are holes molded in the back of his torso and harness to let the sound out better. The effect is mechanical not electronic.
They both came with a chrome shield and a gold power sword. The new figure also comes with a translucent thunder blast effect.