C83 Using Poison to Attack Poison

Looking at the array of iron goods, Gu Zhuohua's eyes scanned the items until they settled on a thumb-length nail. She picked one up, noting its sharpness and polished shine—it was exactly what she needed.

"How much for these?" she asked.

The servant eagerly replied, "Ten for a penny."

Gu Zhuohua took out her money pouch and poured its contents onto the counter