Guarding the Country Alone: ​​I Can Upgrade Infinitely!

Chu Xuan and one hundred and ninety-six other challengers were selected and transported to the world of national destiny and survival. Each challenger has a national destiny bound to a country on Blue Star. If the challenger is injured, various natural and man-made disasters will occur in the country that is bound to the national destiny. If the challenger dies, all the people of the country bound to the national destiny will collectively lose three years of life! Every time a siege monster enters the city guarded by the challenger, 10,000 identical monsters will appear on the country's land to wreak havoc. Chu Xuan bound the national destiny of the Dragon Kingdom. Just when Chu Xuan felt that he had a heavy responsibility on his shoulders, he awakened a special talent for unlimited upgrades, which could upgrade everything. The city wall was upgraded, and the dilapidated earth wall was transformed into an extremely strong concrete and steel wall. Upgrade the city defense formation, and the ordinary city defense formation has become the most powerful killing and immortal formation in the world. From then on, Chu Xuan began to guard the country's gate and destiny one person and one city! ! ! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.