Seeking a novel where the protagonist has special abilities and is an agent or killer

For novels where the main character has special abilities and is an agent or killer, you can refer to the following examples: 1 "Fight Through the Heavens": Xiao Yan was a genius Dou Qi continent practitioner but his special ability was the control of the fire attribute, becoming a special agent and assassin. "Peak of Martial Refinement": The main character, Lin Xuan, was an ordinary youth. However, in an accident, he obtained a mutation in the spirit vein, allowing him to possess some spiritual power and become a special agent and assassin. 3." Lord Snow Eagle ": The protagonist Chu Tian was an ordinary soldier, but he obtained the ability of a special ability during a mission and became a special agent and killer. [4]"Full Time Expert": The main character Ye Xiu is a retired professional player, but his ability is e-sports. He became a special agent and e-sports player. 5《Douluo Continent》: Tang San was a genius cultivator, but his ability was spirit power controller, he became a special agent and killer.