Once every six hours.

The shrimps in Misty Rivers and Lakes are refreshed every six hours, with a maximum of eight shrimps at a time, one every hour.

"Mist and Rain Jiang Hu" is an independent game with text martial arts. The story of "Mist and Rain Jiang Hu" takes place in an imaginary ancient world. Deep in the Kunlun Snow Mountains, there is a legend about the Martial Arts Temple hidden.