Ever since he had entered the secret room for the first time, Zhao Yu had noticed that there were several cables hanging in the corridor.
Therefore, when he found out that he had been surrounded, he thought of a counterattack plan.
He saw that the ground was full of water after the fish tank was broken. If the wires were tied into the water, it would electrocute everyone in the hall!
To be honest, Zhao Yu didn't do it on a whim, but had experienced it once in the detective salon on the island of wondrous traces.
At that time, someone had deliberately filled the kitchen with water, then used an electric grenade to knock out all the detectives, while Zhao Yu had escaped with the invisible lightning rod.
Now, the entire underground hall was similar to the kitchen, so Zhao Yu thought of this.
