It was not easy to do this. Even the most elite troops in the world dared not say that they would not make any mistakes. After all, people had their own ideas, and they might make mistakes in conveying orders. Therefore, any mature battle formation had to be practiced thousands of times before it could slowly take shape. For example, the sea tribe's demon formation, vortex formation, cone formation, and so on. These battle formations had been the sea tribe's for thousands of years. It was the result of countless drills.
But Zhao Hai's situation was a bit special. They were now commanding undead creatures like playing with building blocks. Even black magicians couldn't do this, but Zhao Hai was different. With the help of the space, he could command the undead creatures as he pleased.
