Echo Technique

Suien uses this technique to amplify his voice to a very high-pitched sound, making it loud enough to be heard throughout all of Takigakure.
== Trivia ==
* A "kodama" is a tree spirit from Japanese folklore that can create sounds with a delayed echoing effect in mountains and valleys — a phenomenon that is sometimes referred to as "Yamabiko".
== See Also ==
* Empty Cicada Shell Technique
fr:Technique d'Echo
pt-br:Técnica do Eco