Ultra: Hit Sphia Hard at the Beginning

By chance, I traveled to the Ultra World and awakened the art of war system. It took me nine years to master some of the art of war with the support of Zhonghua. On the day of Sphia's invasion, I announced the rise of the human race to Sphia, and used human technology to defeat Sphia with firepower! No matter monsters or aliens, you must respect the truth of mankind under the gun! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.