Invaders from beyond this world, the Dark Angels.
Fanatics who have converted due to the "guidance" of the Dark Angels, their nature having completely deviated from humanity.
An existence that defies common sense, with bizarre forms and attributes, widespread contamination, power that cannot be opposed with existing technology—research would mean risking falling into corruption, but without any knowledge, there's even less chance of combating those invaders.
Yu Sheng gradually perfected the impression of the Dark Angels and their Angel Sect followers in his mind, sketching their outlines, guessing their essence.
Song Cheng stopped, not interrupting Yu Sheng's thoughts, and only after a good while did Yu Sheng break the silence: "From what you're saying, so far, you guys have never succeeded in killing any Dark Angel?"
