Job Transfer for All: Firepower Is King

[Tian Yuan] invaded, monsters raged, and Blue Star fell. The surviving humans have all become job-changers, fighting against darkness and terror. As fate would have it, Ling Tianan changed his profession and became a professional gunner in the sewers, a cannon fodder profession on the battlefield. But what is a sewer? Ling Tianan has his own understanding, that is, the firepower is insufficient. As it happens, his lack of firepower phobia has turned into cancer, and it is in an advanced stage and cannot be cured. Steel and artillery fire intertwined into a wonderful symphony. He, Ling Tianan, was the king of firepower, leveling [Tian Yuan].