Sasuke did have a form of Sage Mode at one point, and he can fully control Natural Energies, a skill he mastered years before Naruto. What he lacks though is the ability to naturally gather it himself. If it would change anything if he learned said skill? I doubt it would change the story drastically. It would allow him to increase the strength of his techniques to a certain level, but it would also require him to stand idle for a set amount of time before battle.
Sasuke's abilities where also never really about big sizes or explosions, but rather precision and accuracy. Adding more power wouldn't really serve much of a purpose when his abilities are all mostly instant kill if they hit anyhow.
Sasuke already had Snake Sage Mode.
If he was to have it on top of his EMS (let's say this was pre-Rinnegan) he would really be sub-Hagoromo at this point.
Indra - Sharingan, Asura - Sage Mode, presumably
At this point, we can take what Kabuto had on top of having EMS and having Kirin on demand.
Basically a PS wielding Kirin sword.
While not Snake Sage Mode, the Curse Mark was Senjutsu and used Natural Energies. Sasuke mastered the use of this chakra at a very early age. The ability to gather Natural Energies isn't difficult as we see with Naruto, it is the ability to control it that is hard. The ability to ratio it so it doesn't kill you.That wasn't Snake Sage Mode.
my b.That wasn't Snake Sage Mode.
The cursemark that he got originated from Jugo's cell, which Orochimaru stated during as Jugo was passing it onfo EMS Sasuke in the war.
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To train for Snake Sage Mode you need to learn from the White Snake, which Kabuto explained when he was facing Sasuke and Itachi in their battle.
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Ok I see your pointmy b.
Still, it's a senjutsu tech.
This also proves my hunch that the reason why Kurama looked different is because he has senjutsu on as well. I've always thought it was mainly due to the fuinjutsu, which is highly likely in this case, it's both.
Never said that it wasn't and yes I'm aware of Sasuke mastering it when Orochimaru, but yes it's very difficult to learn Sage ModeWhile not Snake Sage Mode, the Curse Mark was Senjutsu and used Natural Energies. Sasuke mastered the use of this chakra at a very early age. The ability to gather Natural Energies isn't difficult as we see with Naruto, it is the ability to control it that is hard. The ability to ratio it so it doesn't kill you.