Ye Kong follows Huangpu unbeaten to the outer city array. You can see that it is a round array. This circle is like the bud of a flower, and there are a large number of outstretched petals around the bud.

those petals are the attack area that the array is used to attack the demons. When the array is enabled, the petals around it will rotate back and forth, stretch and circle, emit deadly current attack, and kill a large number of demons passing by.

these arrays are like killing weapons. When the outer city is opened, a large number of demons will come in, and then all these arrays...