C145 Sudden pain

"Something is wrong with this sulfur!"

When Situ Yu heard this, his face instantly changed. He quickly walked in front of Gu Shiyi, wanting to confirm if what she had said was true.

"Knead carefully and feel if you sense anything else."

Gu Shiyi demonstrated it to Situ Yu as usual. Situ Yu then grabbed a handful of sulfur and started to rub it carefully