The Monsters Invaded, and I Became the Sword Bearer of the Empire

Eight years old. I was only eight years old when I came into this world. To be honest, there is no system. There is really no system. The enemies I have to face are the Cthulhu beast, the demons in Chinese mythology, the European vampires and werewolves, the behemoths from the Book of Mountains and Seas... And countless supernatural powers. But I can't cultivate immortality. The civilization of this world can only fight back with artillery. Every time a shot is fired, the monster's hp -1 Every time a monster is shot, the monster misses To be honest, it was not that difficult for me to choose Liu Yan at the beginning of Three Kingdoms. Later, I met a buddy who said he could use demon core to transform weapons. For example: Mosin-Nagant evil-killing sniper rifle: made of special material made of demon core, it can accommodate three hundred demon-expelling spells. The monsters and ghosts were beating down each other without making a sound. Another example: the water-avoiding Tiger tank. A tank that can fight underwater. Equipped with French armor-piercing bullets. When the sea monster sees him, he calls him an expert. "I'm not bragging. When I was a kid, I was ready to take over the mess that is the world." Twenty years later, I stood on the high platform, raising the sword of the kingdom to the scorching sun. Proclaim loudly to the people: "Fighters! Go and take back everything we have lost!" From Shen Jian's Memoirs