Ice Empress

"The Thunder element?" Barru asked, while looking bewildered. "I thought that the elements mandated in the natural law were only wind, fire, water and earth?"

"Let me briefly explain this to you," Argyll said, as he caressed Barru's bald head and spoke in a teacher's demeanor. "To become a Law Commander, one must first polish their concentration and their ability to sense things. When you're strong enough to manage these two capabilities, you can then try to sense the natural law, communicate with it, and steer it. Among these four laws, fire is the hardest to manage, as its powers are the strongest of the four."

He then held out his middle finger, but there was no sign of him doing any other actions. With a woosh, a small azure blue flame appeared on his finger.