Why the sword broke.

[Mr Hiru]

Agreed~ Nunobuko is probably only usable by either just Senju or an Uchiha-Senju combo. I have pretty mad theories, don't insult, I'm impulsive with these sorts of things o3o

I'd rather say it is an Uchiha's weapon. Ame-no-nuboko was wielded by Izanagi/Izanami, the gods of creation and destruction on Ancient Japanese Mythology.

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But don't mind me, that's just culture and I rather not take it as a fact or proof on manga matters.

 

[Kurama999]

Another view;
When someone want to have a sword of their own, he go to a best sword-maker.
Before complete the sword, the sword-maker will need the owner to try-out.
Then the sword-maker will finally polish the sword and personally hand the sword to the owner and do the final touch.
Lastly, adding symbol, grip, etc.

SO6P sword could be possibly require certain ability.
Earlier battle, when Tenten found a fan (SO6P), her chakra was completely zero, after using it.

 

[B00m]

I'd also like to say that it breaking shows that there is a new So6P, although you can't give Naruto all the credit. I'm starting to think Naruto and Sasuke are both the So6P, but in 2 separate bodies, representing the balance of ying and yang. Probably not right as there is load of evidence that shows it's just Naruto, but it's just a thought.

 

[KingMadaraLvl9K]

the sword broke because obito ran out of viagra

 

[Frikid]

i think so6p's sword receives its power from the will of the user. Somewhere in obito's heart, naruto convinced him that he was on the wrong path and then he saw his future if he took the right path, he could have become hokage.
That completely broke down obito's will and eventually broke down the power of the sword.

At least that's the conclusion i came to.

 

[KingMadaraLvl9K]

i think so6p's sword receives its power from the will of the user. Somewhere in obito's heart, naruto convinced him that he was on the wrong path and then he saw his future if he took the right path, he could have become hokage.
That completely broke down obito's will and eventually broke down the power of the sword.

At least that's the conclusion i came to.

chill out frikid...manga section is being taken over

 

[Mr Hiru]

chill out frikid...manga section is being taken over

Yah, it's quite simple.

Naruto's one is hardar than Obito's. Just saying