Someone swaggered in from outside the heavenly barrier with a large ice cube on his shoulder, which frightened the warriors guarding the Natural Moat.

What was the Natural Moat? It was the last barrier on the Earth. If someone could go through it at will, it meant that the enemy bandits could come in and out freely.

If the alien races launched an attack, without the Natural Moat, they had to fight the enemies directly. At that time, blood would flow like ...