C3713 Progress(last part)

In the enclosed lab, a Crimson Fire Green Mud Ball Ant was chewing on a magic crystal. Although the Crimson Fire Green Mud Ball Ant wasn't big, it was fast. A 30-centimeter-thick magic crystal could bite a hole in it in two days at the most. In order to trap this living Scarlet Flame Green-Golden Mud Striped Ant, the workers had to thicken or repair the lab every two days