To mess up World War II

[Description: A 21st-century ancient martial arts master was " teleported " by his master back to the old China on the eve of World War II. What should he do with his " cheat "?] Let’s see how he becomes a lone hero, saving the West Route Army, rescuing the generals of the Anti-Japanese Alliance, and assassinating the strategist of the Japanese pirates.。。With his own strength, he helped the people of the war against the Chinese and the Vietnamese to win again and again.