Well it only takes a slit second to make a shadow clone. At that point he has an entire second person to rotate and compress the chakra instead on just doing everything with one hand, so it takes less time to build up chakra.
Originally Posted by liddokun
NEW THEORY: If Naruto's chakra is like kushiina's, that may explain why he gets chakra back when his shadow clones disperse, instead of just getting info. From what I know, once use use chakra for a jutsu you dont get it back. Naruto is the only exception I know.
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