Everyone Changes Their Profession: I, the King, Have a Big Gun and Can Destroy Stars with One Shot

Global changes occur, the game merges with the real world, monsters are raging, and apostles are rampant. Everyone must change jobs and become professionals to fight against all this Su Yi, who had always been low-key, awakened the strongest gunner system after changing his job to become a gunnery master known as Wang Daqiang. With the help of the system, Su Yi grew rapidly and became an outstanding figure. When the ultimate BOSS, the Supreme Apostle, arrives. Su Yi, who possessed mythical equipment and countless SSS-level skills, stood in front of him. Quantum bombs, X-1 compressed quantum cannon, satellite rays, destruction rays, nuclear fission rail guns, ancient particle cannons, antimatter cannons, Zeus tungsten rods, stellar weapons, star destroyer cannons... Seeing Su Yi destroying a planet with one shot, the Supreme Apostle was stunned and dumbfounded. Who said the gunner was the king of the sewers? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.