Charlie suddenly became agitated, as if he understood something. He reached out and pointed forward, but before he could finish a few scattered sentences, he passed away.
Xiao Mo looked up and saw that the direction he was pointing was at a painting, a very old oil painting of a plump ancient maiden wearing a white gauze dress, barefoot, holding a clay pot. Behind her was a background of a lake; she seemed to be using the pot to fetch water...
This painting might be related to the Fountain of Life that Charlie mentioned. Xiao Mo put down the now-deceased Charlie and took the painting. Taking advantage of the fact that it was still not dawn, she silently left.
In the darkness of the night, the streets were pitch black and silent, yet she always felt a pair of eyes watching her.
If those eyes weren't tracking her, they were tracking Charlie. This Fountain of Life must involve some deep secrets; otherwise, they wouldn't send a sniper to silence him.