One Person Guards the Heavenly Gate and Plays the Role of King Wudang at the Beginning

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Thousands of years later, Blue Star’s resources are in short supply, the starry sky is invaded by thousands of races, and the battlefield of another world opens!
432 countries around the world will randomly select a person, bind a country’s luck, and enter the battlefield!
The task of the players is to guard the country behind them amidst waves of beasts!
If you succeed, you can get rich rewards. !
If it fails, the monsters will rush into the country in ten times, a hundred times the number!
Zhang Xiao awakens the system and plays the role of King Wudang at the beginning!
Carry Kyushu National Transport.
Kill the monster!
Capture the treasure!
On the first day, Zhang Xiao resisted the first wave of beasts, and the life expectancy of people in Kyushu was +1 year!
On the second day, Zhang Xiao killed an A-level monster and seized the oasis, adding 100,000 hectares of oasis to Kyushu!
On the third day…