Aside from Rain, who used himself as bait, they were crossing the underground tunnel that was half filled with water by using the golems that now had taken the shape of small boats. They invaded the enemies' camp to attack and steal most of the supplies that the enemies had. Thanks to the diversion, Roan, Jori, and Reca used Limit Breaker and Magic Boost and defeated the guards in no time, so they were in a good mood, but soon they began to worry when that tremor reached them, and part of the tunnel began to collapse.
"... What was that?" Terra asked while showing a worried expression.
