First and formost don't bring my personal/profesional life into this thats F....d I'm a Sterile Processing Tech I do use biology as part of my profesion.You dont know me personaly dont talk like you do.
2)Ive said you cant copy element chakra haku uses element chakra with his Ice Mirrors blood line limit like Yamato does for his wood style Ive said it numerous times.
3)I'll use the base ro referance so we have the same info then.
3a)Here is Sauske with two tomoe with the words your able to copy a part of my technique just by seeing it once and thats with a regular sharingan
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3b) heres Itachi with three tamoe
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3c)heres kikashi with a 3 tamoe sharingan about to save Kurini and Auasma and we know its Kakashi because ove the scar through the center of his eye.
3d)
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here Itachi says his tsuknomi is a EYE JUITSU! Kikashi has a reread this chapter Kikashi has the the penetrating ability with his sharing gan staed earlier from Itachi. And on the next page Kikashi is witnessing his eye juitsu=dojuitsu with his sharingan you can copy parts of a juitsu with a two tomoe sharingan why cant you copy parts of a genjuitsu with a three tomoe sharingan it is plausable and the simplest way to learn a advanced level juistu.
3e)
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Itachi explains that he is able to control time and space with this juitsu kikashi being stuck in the Itachis EYE genjuitsu for 72 hours with an exposed sharingan is more than enough time to penetrate Itachi and copy his EYE JUITSU.
3f.)
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here its stated that only three seconds passed outside the juitsu.
3g)translation of the word dojuitsu saying EYE JUITSU not the SHARINGAN RINNAINGAN OR BYKUGAN
3h)
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Sauske rembering what Itachi said about how to gain power with a two tamoe eye.
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heres sauskes third tomoe apearing proving while naruto is alive. A third tomoe unlocked as well as greater abilites increaced perception ect.
3i) Asfar as I'm aware Kikashi hasnt ever seen any of the other abilites of the MS sharingan with his sharingan to copy.
3k)
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Itachi Using a MS tech Ameratsu with sauske watching with a three tamoe shaingan
3l)
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read the side it dosent say Sauske killed him it says Sauske is paralized.
3)Heres proof that Marda/tobi has a three tomoe eye in suport of the three tamoe requirement for a MS level techniques.
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3)
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heres proof of Itachi transfering MS ability to Sauske to try and take out Madra/tobi
Conclusion being you only need to see a non element related technique once to learn it. As proved by point 3a.3h proves Itachi is full of crap about HAVING to kill your closest friend to gain the powers he had. Sauske DIDN'T KILL ITACHI(Itachis last battle was with OROCHIMARU) OR NARUTO. And has 3tomoe(with no deaths of his friend or family of his own) time to copy, and recieve Atamersu A MS style dojuitsu. With proof from the manga from the base.
4)
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heres Madra taking the Rinningan talking about how Pains Hair changed from red to white because of the strain he put forth using his last juitsu. All Itachi says is that they are the masters and that Kikashis body is suitable for the Sharingan Being a master is a matter of skill and apt ability nothing to do with blood. Blood deals with genetic disposition not fate and forcasting the future and a persons abilitys but it can be limiting due to genetic diseases and mutations. The Uzmakis also lived in the land of whirlpools its since been distroyed and absorbed by other nations since Narutos MOM came from there to be the next host for the nine tails. its in the manga Ill get proof if needs be. But its here at the base.
5) See 3, and ideas are not always proof or evidence untill proved like the idea you have to sacrafice someone for more power. And the idea that Kikashi trained himself is part of him not having the ability to use advaned dojuitsu the exact moment he used it not being " a master of the sharingan" and I said that he probabaly did the training during the time skip still plausable.
6)I used manga chapers from the base this time to prove with deductive reasoning my points with proof from the base.I did what I said I'm walking the walk and talking the talk. I'll say it again dont bring my personal life into this discussion by telling me what I know and dont know when you dont know squat about me again its jacked. And furthermore narutowiki yeah not the best source but its a easy tool for referanceing and if wiki didnt have any viable information all the crap about the military being posted on wikileaks wouldn't be a big deal. As for youtube yeah still not the best resource but it is a resource. The episode where Kikashi battles Itachi and gets stuck in his dojuitsu is ep 82 sharingan vs sharingan if you dont like colored proof thats easier to see then use manga personal preferance. Stampy hasnt posted squat with actual proof unlike the two of us saying plauseable or not plauseable with out reasoning or proof is factualy an opinion.
7) defining plausible for those who use it along with other words that dosent know what it means or use it in the wrong context. These adjectives mean appearing to merit belief or acceptance: a plausible pretext; a believable excuse; a colorable explanation; a credible assertion.
My theories about kikashi copying a ms level dojuitsu are plausable with narutobase/manga proof of their vadlility.So anyone who wants to prove it unplauible do so with proof or like you said DONT BOTHER.
roportion: magnitude or extent; "a building of vast proportions. If the dimention that Itachi created or invaded was only as deep as Kakashis mind it still takes place in a controlled independant dimension.Inside your mind isnt imaginary either its where your being lives from.