The set symbol is one of the necessary props of Yin and Yang for Jiansan's new identity as an alchemist. We can get the gathering amulet in the following ways.

At present, the only way to get the amulet in the game is to dig for treasure. If you dig a treasure monster or something, then the mob will lose a lot of amulets, and basically every time you dig a treasure, you can dig amulets.

Can be obtained through transaction purchase.

There are only two ways to get the amulet.