the reason I said that clone is not at kage level to Kill the Kage , is that Madara need 5 Clone to for each Kage,
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and that battle 5 Kages defeated 25 Clone = Forcing Madara to used Perfect Final Sunsano'o
therefore 1-2 clone Cannot beat one Kage.
Ur prediction state that "Clone (a clone) defeat Kage", which is impossible cuz even thou it is Madara Clone, even it Use Sunsano'o , Sunsano'o is not that impenetrable, Raikage can Crush it, Tsuchikage can Obliterated into dust, Mizukage Can melt it, KazeKage can bury it using Sand under it feet.
The only reason the Kage are near dead are becuz Madara enter the Fight HimSelf