The Deputy's feeling was right. It really is bad idea to let the squads inside their formation because, as the second line and the earth users focused on three squads that entered, they didn't notice that the rest of the battalion's earth element users and wood element users are doing something.
Earth element users placed their hands on the walls, while the wood element users placed their hands on the ground and both parties closed their eyes.
And before they knew it, there is a huge change in the front line.
The earthen wall made of Red rock suddenly underwent a metamorphosis.
The earth element users responsible for maintaining the wall felt the change but before they could react, the ground under their feet started showing changes, they felt that their feet and legs being attacked by numerous sharp objects.