Novel confirmed Sasuke used chidori through his sword to break Kinshiki's chakra weapon. Meaning he still has access to Senjutsu and it wasn't a combo of enton and chidori as some of us thought.
Also it eliminates the theory that Sasuke gained Senjutsu through his seal giving by Hagoromo.
Also it eliminates the theory that Sasuke gained Senjutsu through his seal giving by Hagoromo.