On that fragment, between two small flowing runes, apart from the golden gleam flickering...
There were also two white fine lines drifting back and forth.
This is...
Wen Nan was watching intently, and a head leaned over from beside him.
Yu Shujun knelt on one knee next to Wen Nan, followed his gaze to the runes on the fragment, and soon also noticed the white fine lines moving back and forth inside.
The "white lines" were extremely tiny, like mosquito legs, swiftly darting back and forth in the golden recesses, resembling some sort of parasite, somewhere between a nematode and a hookworm, giving one goosebumps.
Yu Shujun stared at it for a while and spoke in a deep voice:
"It's a Gu worm, the Heart-Drilling Gu."
...Heart-Drilling Gu?
Soon, a corresponding prompt sounded in the system—
9527: [Heart-Drilling Gu, a psychic control tool that can enter the target's bloodstream through skin contact and further erode the heart.
