"I have signs of life! FIRE IN THE HOLE!"
The shout seemed to stop time as everyone processed the meaning and what would follow after those words. After that instant of stillness, everyone let go of any inhibitions or control and poured their attacks into the tunnels.
The charged fireballs and laser beams. Bathtubs of lava. Grenades. Any and all ways they had come up with that were cheap and effective in setting off an explosion were used against the volatile materials down in the rats' nest.
Everything that had been prepared for phase three was sent into the holes where the rats were about to wake up. Many of the rats had fallen asleep at about the same time and would thus wake up at about the same time.