Before Zhao Run could steady himself, a sharp bone spike slammed into the security door.
The thick security door was pierced through. Zhao Run turned and saw that it had struck exactly where he had been standing. If Lu Chengchuan had not pulled him aside, he would never have been able to block that bone spike.
His ability could withstand bullets, but activating it took time. He had not even seen the bone spike; half a second later, it would have gone straight through his heart.
"Thanks..." Zhao Run's face was still pale with lingering fear.
Lu Chengchuan said nothing. He stared ahead. The monster that had fired the bone spike was inside.
Unlike the floors below, the thirteenth floor had only a few pillars. The entire floor was one large room.
Blood Mist filled the room, and a monster lay crouched in the center.
The monster resembled a giant lizard. Layers of black armored plates covered its body, gleaming with a metallic texture. A row of sharp bone spikes ran down its back, all the way to its tail.
Seeing people come up, the lizard monster actually stood upright like a human.
Lu Chengchuan entered, and the others hurried after him, their weapons already aimed at the lizard monster in the center of the room.
"Open fire!"
The lizard monster rose to move. Before their group could spread out, Zhao Run immediately gave the order to fire.
More than a dozen guns fired at the monster at once. In an instant, hundreds of bullets struck the lizard monster. The bullets collided with its scales in showers of dazzling sparks, leaving tiny white marks on the black armor.
The bullets were useless. They could not hurt the monster and instead enraged it.
The lizard monster roared, dropped onto all fours,