They've started

As the Xuanyuan Monarch was pushed back, he saw a red figure dart forward and disappear into the sand wall in the blink of an eye.

Seeing that it was Feng Jiu, he did not go in, but took a step back and waited. Just then, the masked man also arrived, but he did not go in. Instead, he stood beside him, quietly watching the scene in front of him, a thoughtful look in his eyes.

In the middle of the training ground, inside the sand wall, Leng Hua destroyed the human-shaped fine sand, but those human-shaped fine sand did not have life. When struck, they scattered to the ground, forming a pile of loose sand. Yet in the next moment, the loose sand gathered again, reforming into a human shape and charging toward them. This repeated endlessly. Despite his considerable strength, he could not block the sand figures while also protecting the two children.