MAGIC_KAITO

I admit I really liked your idea.

I got it right.

I'm starting to understand what the author is planning for Ben's identity.

Yes, the canon Sharingan is from Shisui. which he stole just before the uchiha massacre.

in fact he had a Sharingan long before Shisui, in a filler he tried to kill Kakashi to steal his Sharingan to replace the one he had when he went blind. but this was filler so it's difficult to say if it's canon or not, after all, Naruto's fillers were very strange, causing chaos in the manga's history.

I couldn't have written it in a better way, it was a great explanation

author, the Rasengan has no type release it is neutral

this was unexpected

now that I thought better it could be a fusion of these last two.

Or Domain Expansion