While they were doing that, Billy began to work on the underground tunnel as well. He didn't even have to be inside to do that anymore. Besides, he didn't want anyone to know that he already could do that. Too many people already knew about his powers. Even if most of them were his friends and that he could trust, secrets still could be discovered using other methods.
In any case, it didn't take long for the plan to be put in motion since his friends had already done a good job at containing the monsters in a single area. Most of the monsters were also trying to head to the most populated areas, so they didn't have to worry about anything else.
"Everything is ready," Svan declared. "I also already told those who don't have confidence in their defensive abilities to stand back when the monster falls. Most of us will be shocked by the lightning bolts emitted by the titan, right?"