The fourth tail, the world's most rigid "Yang Fire," appears red. It's said that the temperature is extremely high and can be used for combat and refining Immortal Treasures.
The fifth tail, the world's softest "Yin Fire," takes on a gray form, with a temperature like extreme ice, and it can also be used to refine Immortal Treasures.
The sixth tail can dispel evil thoughts and memories—this "Heart Fire" is orange, and it is said that the Nine-tailed Heavenly Fox once used this ability to sever a part of its emotional ties.
The seventh tail can destroy Immortal Cultivation—this "Tribulation Fire" holds the power to break all laws, theoretically capable of burning even Heavenly Tribulations, appearing as a dazzling white.
The eighth tail can burn all causality and sins—this "Karmic Fire" is a seemingly incomprehensible black.
As for the last, the ninth tail, Ni Yang expressed that he did not know.
