Hao Ren left the entire planning for city map to Xiao Mei and got busy with designing a compound array, an array that could combine two or more functions together was called a compound array, and Xiao Mei had suggested that they use this array, because it would save them some trouble of spending the spiritual stones in case of any demon attack.
This array would be able to redirect the energy it received from the attacks and push it back to the demons. However, to make sure this energy harms the demons and not just end up being a black shell, Hao Ren decided to go ahead with something that was called the conversion array. This would change the nature of the energy from demon attack or any other attack into the opposite nature.
