Battle Aura

"Battle Aura" (闘気 Tōki, lit. "Fighting Spirit") is an attribute currently exclusive to Danger World.

List of Sets with Battle World cards

 * Trial Deck 2: Savage Steel
 * Booster Set 1: Dragon Chief

List of Battle Aura cards

 * Battle Aura Circle
 * Boulder Piercing Spear
 * Crimson Slash
 * Drill Bunker!!
 * Fighting Spirit Combination
 * Hysteric Spear
 * Invigorating Breath
 * Lord Aura Meditation
 * Night of Wilderness
 * Survival Chance
 * Thunder Impact
 * Twin Palm Guillotine