Comprehensive Martial Arts: in the Beginning, You Kill Your Subordinate with a Sword to Establish Your Authority.

Chang Xing traveled to the mixed martial arts world and obtained the Krypton life upgrade system. When he discovered that Yu Ya was plotting against him, he killed him on the spot to establish his authority. Faced with the shield from the military envoy of Yinying Town, he killed Yu Ya with a knife. In this life, he will be the most domineering military envoy.