>_< Luffy fooled around with Doffy,Doffy wasn't able to do shiet against Luffy's haki.
Other than keep him at bay for 51 minutes without getting harmed again.
Hence Luffy even one shotted Doffy with same haki...
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That's nowhere close to a one-shot. It was a battle lasting over an hour and Luffy needed dozens of people to help keep him alive so Doffy wouldn't kill him. But yeah, Doffy got one-shotted :|
Not only he broke his "God Thread"
Same as above. Strength of the strings and the strength of Luffy's arm itself also play major roles in Luffy breaking the strings, not just Haki. So the attribute Luffy breaking the strings solely to Luffy's Haki being stronger is incorrect.
Luffy's Haki could be weaker than Doflamingo's, and still blow the strings by carrying a volume of sheer force that's overwhelmingly higher than the force of Doflamingo's strings. That is why Luffy was able to break through the Boa sister's Haki using just his bare, non-Haki clad hands.
but it even defeated Doflamingo with same blow.
You talk as though Doflamingo would have been defeated from the KKG regardless of his health. Of course it knocked Doflamingo out, he just had his organs destroyed twice, struck by countless attacks, and fought Luffy and Law for over an hour. Rewind the clock to when Luffy and Law first encountered Doffy in that throne room, and Luffy hit KKG, Doffy would still be up and kicking.
You mean like how Luffy broke the Boa sister's Haki with his bare hands, proving that sheer brute force can allow someone to break through Haki without having stronger Haki clad to their hands?
and under same difference in force it one shotted Doflamingo
This is even stupider the second time.
...How's that not stronger then I don't even know anymore...
Don't worry, I explained it for you.