Gradually, some of the caves were filled up. With the constant urging from those behind them, the spiders at the front either crawled out of the ground or dug out new caves.
Below the ground, where humans could not see, more giant steel-spear spiders were gradually gathering. They were only waiting to reach a critical point before climbing out of the ground.
This time, it was no longer thousands, but tens of thousands or even hundreds of thousands of them.
The humans were naturally also preparing for battle.
Unlike the giant steel-spear spider's anxious state, the military engineers seemed to have an endless amount of strength as they continued to build all kinds of facilities.
Some of the civilian experts from the southern cities also rushed to the front with their teams.
