How many should Dark Magic keep?

Why do you keep Black Magic? Of course, it's because he is crude and relatively cheap, so he can change it when he dies. Generally, this kind of fish is used to block evil spirits.

In addition, it is the orientation problem. Every year, the position of wuhuang will change. Putting eight stones and six black magic stones in the basin will have the effect of stopping disasters and turning evil spirits into evil spirits, which means 1.6.8 Sanji. Remember to pay attention to the wuhuang position when placing the fish tank.