Strengthening

The American killers have completed their evolution. At this moment, all of them have evolved into half-human, half-beast creatures, with hideous faces and looking extremely ferocious.
This evolution not only changed their appearance, but also their bodies, with both their strength and defense undergoing qualitative changes!
This is the benefit of gene editing, giving up some seemingly insignificant things and gaining more powerful power.
"Be careful, their bodies have undergone major...