C1156 Exterminate.

"Open fire!"

As Bill moved, Udall, who was barely able to withstand the pressure from Bill, roared loudly. The air rang with the sound of firearms firing!

These weapons could cause damage to the giants of Grade Six. If they were to face the powerful mutated humans, they could actually harm the mutated humans of Grade Seven.

Bill was a Grade Nine. Although he was only a Grade Nine