Fire CHI was the first kind of chi created. It was created by the phoenix to defeat the hunters. Eris was the first Non-Phoenix(due to the fact that the Eagle Tribe are descendants of the Phoenix Tribe and Fluminox likes Eris , Non-Tiger character to piug Fire CHI. Cragger and Laval had to do the fire trials before they and their tribes could acess it. The other tribes earned access to the fire CHI by protecting the crescent from the Hunters.
It gives the animals fire power and there weapons, vehicles as well. It melts ice and warms anything or anyone with the fire aura when plugged.