C403 The Prison Stone Mine

"Prison Stone Mine?"

Hearing the name, Zoro, Robin, and the others were fine. They had been in the Country of Mind for some time now and knew what this place was.

This was the first time Luffy, Nami, and the others had heard of it.

However, from the name alone, they knew that it was not a good place.

"This is where all the people who are fighting against Kaidou are imprisoned