Three years after the spiritual energy was revived. 1% Of the world's population has awakened supernatural powers, forming a strict sequence system (sequence 999 is the weakest, sequence 001 is the strongest). The official "Supernormal Administration Bureau" was established to supervise people with supernatural powers, but underground organizations and alien forces are undercurrent. What ordinary people don't know is that "Aura" is actually the breath of some kind of indescribable existence. The stronger the power, the easier it is to be contaminated.
Sequence 001-099: S-level forbidden arts, which can change the situation of the battle (only 7 people are officially known)
Sequence 100-499: A-level top combat power, city guardian
Sequence 500-799: B-class elite, the main force of the regular army
Sequence 800-950: C-level backbone, ordinary superpower
Sequence 951-999: D-level entry, most awakened people