Why didn't Sasuke use Amaterasu with Indra's Arrow?

[SenseiSama]

No can pull off jutsu after jutsu or combine all jutsus into some cluster fuk monstrosity, they are still human.

Sasuke can

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It's time people stop doing the mental gymnastics for Sasuke's loss. He already did far better with the last minute addition of bijuu chakra than he would have done without them. Good thing there was also no killing intent from Naruto.

It's time to stop seeing Naruto and Sasuke as humans, they stopped being so the moment they received Hagoromo's powers.

 

[Oblivionx]

He said that was his strongest attack. Clearly implying either he couldn't add enton or it wouldn't have made the attack any stronger. Take your pick.

 

[SenseiSama]

He said that was his strongest attack. Clearly implying either he couldn't add enton or it wouldn't have made the attack any stronger. Take your pick.

"strongest attack for now" implying he would eventually have a stronger one. Indra's arrow was a feat he did within a day of learning how to use Rinnegan

 

[uhmusddy]

Do you know how big that arrow was????

 

[Oblivionx]

"strongest attack for now" implying he would eventually have a stronger one. Indra's arrow was a feat he did within a day of learning how to use Rinnegan

Well still that means he couldn't use enton alongside it or enton wouldn't have made it stronger. And there is no way of knowing future unless you can prove somehow how sasuke was thinking of gaining even a stronger attack. Now only defines present, it by no means indicates anything about future unless you can't stop fanboying.