Crazy Gunman: Attack Yourself with Vulcan Cannon at the Beginning

Disasters are coming, alien beasts are raging, and the world has entered an era of awakening of supernatural powers. Chu Kuang awakened the C-level superpower [Heavy Firepower Mastery], which is recognized as the most expensive and hip-reaching one. With only a broken multi-barreled machine gun, he was ridiculed by the entire network as top-notch cannon fodder. But he didn't panic, because there was an invisible [Ouroboros Disaster Ring] behind his head! Absolutely immortal, infinitely self-healing, more adaptable and immune to all harm! At the same time, it is bound to [Law of Truth Fire], fires one shot, and the attack power and rate of fire are permanently +1! Get beaten once, get +1 again! As a result, the painting style completely collapsed. Others downloaded the copy and narrowly escaped death. Chu Kuang found a closed cave and pointed the machine gun at his chest. Squeeze the trigger and shoot wildly! Bullets hit yourself, the divine ring crazily regenerates blood and stacks armor, the fire law crazily prompts: attack +1, +1, +1! In just ten minutes, basic attacks directly dealt 100,000 points of real damage! When the Demon God of the Abyss comes, all mankind waits for death in despair. Chu Kuang walked out holding the Vulcan Cannon with a red-hot barrel and buzzing buzz of a chainsaw, grinning wildly in the face of the demon god's forbidden curse that destroyed the world. "Thank you Lao Tie for sending me the forbidden spell enchantment!" The next second, a metal storm that rotates thousands of times per second and carries forbidden spell level real damage pours out! The arrogant demon could not even hold on for a tenth of a second and evaporated in an instant! All mankind went crazy: "You call this a cannon fodder gunner?!"