C194 Surreptitious Surveillance

Jiang Bao was an expert in the martial arts world, so ointments were naturally essential for his family. He took out a box of ointment from the room, while his uncle used Tang's dagger to cut open his middle finger, drawing some obscure symbols on the ointment with his middle finger blood.

After drawing the symbols, First Uncle passed the ointments to me and said, "Before you go to sleep