How to Conquer 300,000 Thieves and Equip an Army Without a System?

Last night, he was still in the tender embrace of a woman. When he woke up, Lu Yangguang found that he had traveled back in time and became the protagonist in the novel he wrote. He was a general with only 500 men. He had no cheating system, but he had to face an army of thieves known as 300,000. There is no system that can be cheated, so use the weather and landforms to attack and defend. If there is no martial arts that shocks the world, then use the wisdom of modern people to make up for it. Not enough people? That's easier to do. For the people who have lost their homes and loved ones, are there any men who can stand up? Follow me to take back your home, rescue your relatives, and eliminate the brutal villains! The hearts of the people will win! Justice will win! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.