MTL - Invincible Combat Strength System - Chapter 12 You threaten me!

... combat effectiveness is twenty."

The sound of the Star Wars reminder sounded in the ears of Ning Tianlin when Gray Snake died, making him helpless. He was also worried that too much energy was needed to upgrade, killing a long snake would not help, but It seems to be enough now.

But where does he know that after these four hours of fast walking, he also killed many small creatures such as ants, and this gray snake has already counted as a large snake, which contains good spirits. ...