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The man who almost killed Hatake Kakashi, where would Zabuza be if he never became a rogue ninja.
Definitely LOWER by a lot more than just a little. Kisame absorbs chakra and that's what Zabuza uses. Plus Kisame knows the same mist jutsu Zabuza does.That was part 1, he'd have developed by part two and would be around kisame's level (a little lower imo)