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Round 1 you use LM mystery on the first Big guy (the one infront of Hinata) If the 2nd guy 1hits your guy (with crit) retreat.
Round 2: Hinata Mystery and Guy on the big guy that u want out first.
Round 3: Hinata is dead and from here on the naruto carry you all the way.
I was lucky and she always attacked the clones till she had low enough hp to die. But ye end game is 1(+naruto clones)vs1.