C733

Su Xiaoyi nodded, "There's more."

"Is it for the fire or our own?" Su Jia'er asked again. Normally, she would allow Su Xiaoyi to bring two types of fire piston. One was a normal fire piston for ignition, and the other was a light bulb that she had created.

Su Xiaoyi fumbled around for a while and took out two paper sticks. "One is for ignition, the other is for our own use