I don't understand

[Aominecchi]

In the last chapter does Sasuke have or not the left hand ?

Spoiler

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[Lyke]

Lets think about it.

1. Chapter 699: Sakura said she would make them arms using Zetsu.
2. Chapter 700: We can't see Sasuke's left hand.

So what is the answer? Yes, we don't know but can guess.

 

[Young Vongola]

It's kinda hard to tell. It's possible since he had to have returned to the village at some point to get Sakura pregnant. But it's also possible he felt he shouldn't take the arm idk.

 

[Im Still Robin]

I hope not, I love his disadvantage, it means he'll only be stronger than the next guy with two arms.

 

[Mmeh]

Kishi loves leaving his audiences with ambiguous endings.
I think he purposely didn't show Sasuke's other arm to leave it for us to "think about it".
Of course, until Naruto: The Last comes out.