Elder Son's Eyes.

[Gagster]

Their Sharingan, that's all. Pretty much confirmed the final "Power UP" Sasuke can get is Perfect Susanoo.

 

[Ares]

I think he can get more

 

[Filo]

No…they transform into the rinnengan when senju/uchiha DNA is combined and currently Kabuto is pumping Hashirama cells into Sasuke

 

[Avery Namikaze]

Yeah so once again, one brother got it all handed to him while the other one had to work for his strength. Dem parallels.

 

[Sennin of Logic]

Both Naruto and Sasuke will surpass their reincarnations.

 

[Zappyy]

So is the elder's spiral eyes the eyes that will come after the rinnegan or...
So how did the elder get the spiral eyes?

 

[Ares]

Both Naruto and Sasuke will surpass their reincarnations.

Yes they will

 

[AllseeingSharingan]

So is the elder's spiral eyes the eyes that will come after the rinnegan or...
So how did the elder get the spiral eyes?

the eyes are rinnegan not spiral eyes. Its apparent the older son has sharingan rinnegan comes next after that use ur brain cells.

 

[ANiMUS]

So is the elder's spiral eyes the eyes that will come after the rinnegan or...
So how did the elder get the spiral eyes?

Thats either a depiction of the sharingan spinning or the form of the ES's MS