Kabuto wins high diff.
-Manda 2 clears off field of overwhelming blitzing clones (since they go poof in 1 hit, and Manda 2 hit box would be as much as Juubi Tail)
-Field of bones would also be dangerous for Naruto, considering recent feat shows KCM is not good with piercing damage.
-Kabuto perception/reaction eventually adapts to Naruto speed, then CQC becomes too dangerous for Naruto:
1. Kabuto chakra scapel w/ increase taijutsu, due to SM. Gets internal damage, and dies. Plus...
2. Kabuto's D'N'A puts more pressure on him and Naruto has to multitask here. Dealing with:
2a.) Kimmimaro's unorthodox dances
2b.) Orochimaru's Five Prolong Seal
2c.) Sakon's Parasite transfer.
- If ever encounter FRS, he can liquify his insides, so it will cut right pass him, instead of getting the same treatment as Raikage. And if it ever explodes on him, Kidomaru's Gold armor says it blocks all chakra, so the it reduces the attack power, which Kabuto recovers with ease after.