Ice Release: Crystal Wall

The user creates walls out of ice crystals to detain their opponents. The reflective surfaces of ice can serve as mirrors for certain genjutsu that requires mirrors to work.

Strengths:

 * Blocks certain attacks
 * Helps certain mirror Genjutsus

Weakness:

 * Cracks under a certain amount of pressure
 * -1 Stamina when it's actively in use per round