C847 He Woke Up.

This kind of bullet was usually used to deal with people with hardened skin.

Chen Cheng was still carrying the skateboard on his back, but his aura was getting weaker and weaker.

Hardened skin was similar to a simple bulletproof vest. It could greatly weaken the power of the bullet, making it less lethal.

The GT-2 was specially developed to deal with this kind of bullet