Chapter 2197 The Moon Killing Hall
- Kingsley Nicholson frowned, "If that's the case, how do you know that there are still many old members of The Nightingale Intelligence Agency (NIA) active?"
- "I have contact with two remaining members of The Nightingale Intelligence Agency (NIA), one of whom was the teacher my father sent to teach me intelligence knowledge, and the other was a brother I worked with at Compos Mentis.
- From them, I learned that each of them can still contact three or four disciples of The Nightingale Intelligence Agency (NIA), who in turn are in contact with others.