The overall story outline of "Assassin I Eye of the Apocalypse"
Core themes: revenge and change, order and freedom, inheritance and destiny.
Protagonist: Ling Yun (code name Shadow)
Key settings: power level (low 1-4, medium 5-8, high 9-11, legendary 12), vitality, strange eyes (the apex of the Eye of Apocalypse), parasitic souls (annihilation), the "birdcage" policy of the state machine, the resistance organization "Heaven Organization", and the gray organization "Earth Organization".
