Blast, Bang, Bang, the Six Door Gods Are Catching You. Kill the Enemy and You Will Become Stronger.

[Refreshing text + time travel + decisive killing + rapid upgrade] At the beginning, Lin Xuan traveled through the world of mixed martial arts and became an iron-clad policeman in the Six Gates. He awakened (the strongest enemy killing system) and gained martial arts experience and various rewards as long as he killed the enemy. Kill the flower-picking thief Sun Qing, and you will be rewarded with 100 martial arts experience and Kung Fu (Mistake Step). Killing the Five Poison Cult He Huan will reward you with 700 martial arts experience and Kung Fu (Five Poison Cheats) Kill... Reward 9999999 experience... Kung Fu (Ice True Qi, Heavenly Silkworm Magic, Little Wuxiang Kung, Ten Finger Sword Kung Fu, Nine Yin Manual, Eight Heavenly Sword Styles, Sacred Heart Technique...) I, the six door gods, will arrest you. Every word you say will be used as evidence in court. Those who obey me will prosper and those who go against me will perish!