①: Take materials from the equipment upgrade division and exchange them for ~ ~

②: You can use the family map to enter a family ~ Practice the equipment you want to practice in the map and then change your signature ~ Then you will be prompted how much you want to practice ~

Practice method: to do the task, I think I can use copper or black iron to complete the task ~ buy copper and gold ~ buy black iron and silver ~ or set up a stall to hang iron+practice value.

thank you