Metal

Lore
Metal bending was disovered by Toph, she opened the academy for other earth benders to teach them.

Skills

 * Metal Plates (Level 50)
 * Metal Cables (Level 55)
 * Metal Blindness (Level 70)
 * Caltrops (Level 90)
 * Metal Wall (Level 120)
 * Metal Shards (Level 150)
 * Metal Crush (Level 180)

Play style
Metal bending is really handy element due to quick projectiles that allow you to play offense and defense whenever the user want.