Why do characters shout out the name of their techniques while fighting?

[NinjutsuSeeker]

Sasuke was able to quickly react and put up a defense against raikage's shunshin because of raikage's big ass mouth!!

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see! look at top right panel. sasuke had no clue where raikage wasthen when you look at the left panel, raikage just yelled like a retard and sasuke obviously heard him so he put up a defense.

so if you really think about it, sasuke reacted to raikage's loud voice rather than his shunshin raikage could of had won that fight.
eg. with Kamui, Obito never does it. Only Kakashi says "Kamui!" when he tries to warp something.

characters need to shutupp while fighting.


so can we all agree that sasuke would have lost to raikage..If raikage didn't shout?

I can help answer this question. it is not a matter of them HAVING to say the jutsu, it is more for the reader/watcher to know what jutsu is being used. its for OUR knowledge. All of them can very well do there jutsus without saying anything, but how would we know what the jutsus are? And to reference the obito kumui thing. Let me ask you something, if tobi said kumui a long time ago, wouldn that have given away some of the mystery of tobi? people would know that it is obito because him and kakashi share the same move, and that can only be done if they have the same sharingan. So yes they didn say it so we would not know who tobi was, and yes they tell us the jutsu so we can know what jutsu is being used

 

[Champ]

So we can know the name of them