Pool training ground-
Lin Chuan had been in Root for a year and a half. Sitting by the wall, he took a drink of water and rested for a moment, suddenly wondering whether his father in this life had ever gone to find Maruboshi Kosuke and asked him to persuade Hiruzen Sarutobi to get him out of Root. Aside from grinding, life in Root offered nothing but suffocating oppression. It was no place for a normal person, and staying too long would wear anyone down.
More than a year had passed. He had no idea whether the letter to Tsunade had arrived or whether Maruboshi Kosuke knew he was in Root. He was starting to miss those adorable kids at the Ninja Academy, and he had no idea when he would see them again.
Still, the grinding had to continue. After half a month of relentless work, Water Prison had reached Genin level. He had also developed a Composite Ninjutsu to use with Water Prison.
[Ninjutsu] [Water Release Ninjutsu] [C-rank ninjutsu: Water Release: Water Clone (Genin: 391/1000)] [C-rank ninjutsu: Water Release: Wild Water Wave (Genin: 254/1000)] [C-rank ninjutsu: Water Release: Water Prison (Genin: 101/1000)] [B-rank ninjutsu: Water Release: Water Formation Wall (Usable: 41/100) (Two hand seals)] [B-rank ninjutsu: Water Release: Water Dragon Bullet (Usable: 43/100) (Six hand seals)] [B-rank ninjutsu: Water Release: Heavenly Weeping (Genin: 795/1000)] [Composite Ninjutsu: Water Release: Water Prison + Water Release: Water Clone]
The Ninjutsu he paired with Water Prison was Water Clone. He had developed several ways to use them together, and the Grind Panel had actually recorded them. That was a pleasant surprise!
Several ways to use Water Clone and Water Prison as Composite Ninjutsu...
First, he could have a Water Clone maintain Water Prison, allowing his real body to withdraw to