It should be broken longan. Jewelry processing for 350 days, daily money can be changed into a longan stone, and frozen prisms that can be made every 20 hours may open a longan stone.

The equipment you can equip at the same time can only have three longan stones.

If you are wearing replica equipment with three longan stones, then your other equipment with longan stones can't be worn.

In short, the same event can only have three longan stone effects, so it is recommended that the copy be installed in three battlefields, three for each battlefield.