C810 Ironmaking hammer

In the morning of the next day, just as the first glimmer of light was released from the east, an earth-shattering sound came from the lake. A huge hook was firmly tied to the trunk of a few towering trees, and a rope as thick as a person's thigh was tied to the hook.

There were a lot of iron pieces on the fishing net. A few Pangu stood on the shore and pulled forcefully