Click the stone, as shown in the figure below. This crystal is this stone. Don't change the line or go offline. What you need at this time is a team.

Point to form a team, as shown below

Then create a team, aim at the gates of different dimensions, and then select automatic matching, and the team will be full in an instant. A copy takes 15 minutes, ranging from 1 to 6 monsters. Every monster will get gold coins, after all, they will get the magic stone.