Summoning: Rainwater Gate

A form of summoning technique, bringing forth a single gate sturdy enough to withstand a taijutsu-attack by Rock Lee. However, an explosive tag from behind is able to destroy the gate.

Trivia

 * The Rainwater Gate is an ornate version of an antiquated sluice gate, a device used to control water flow. A structure undoubtedly common in the torrential climate of Amegakure.