Trust

"Why won't you just die?" Gayron roared, missing Korra again with another sixth-level magical technique. 

The force of the attack created a crater in the tundra almost thirty feet deep, which rapidly pooled with melted snow. Korra slid between the demon's legs, dipping into the crater just low enough to drag her hand through the steaming water. When she came out, the entire miny lake surged after her, beckoned on by her Water Mastery Ability.

She kicked off the ground, cracking the ice beneath her, and flew under Gayron's guard. The massive tide of water trailing after her took on the shape of her mana, forming into a titanic water dragon twice the size of the demon. 

That was a lot of mana. Too much for a sixth-level hero to muster. Had Korra…?