The talent of the number one assassin

The sound of the door opening interrupted the mad scientist's speech.

the scientist's body had been completely replaced by a machine, and only his brain was immersed in a light green solution.

Through the transparent glass, one could see that his brain was contracting and trembling rapidly under extreme excitement. Occasionally, bubbles would float up from the solution. The brain was surrounded by all kinds of tubes and circuits. At first glance, it looked like a root that 'grew' from the brain.

Brain in a jar!

In the system of the machinery faith, one's status was determined by how many parts of the body could be replaced with machinery. The higher the degree of mechanical body, the higher the status.

Zealots used machinery, mechanical Warriors were proficient in machinery, and mechanical apostles represented the peak of external machinery theory.