C676 The yin-yang diagram of the great qing sect

"Hu!" This arrow was at least two meters long and two to three centimeters in diameter. There was a metal hook in front and a rope behind it.

Siege chisel!

This was definitely a heavy weapon that belonged to this era. It would require at least four to five people to cooperate in order to launch, mainly to attack the city walls, but this place was used to defend the city walls