Aura

Aura is the misterious light from the creature body include human. Sometimes the colour from this light may will changed from time a time, depend the condition from the aura owner.

Some people can see the aura, but the other can not see. It cause the aura have a vague light. On human, try to see edge body, but focuse to background. With one or more training, may you will can see the aura.