Special Forces: the Ultimate God of Killing

He is the world's number one killer and has assassinated important foreign leaders. The governments of various countries were frightened by the news, and the princesses of the royal family rushed to throw themselves into his arms. During a secret operation, he accidentally fused the Z element and exceeded the limits of the human body. Comparing marksmanship? Perspective and farsightedness are not a problem, and you can shoot with your eyes closed. Than killing? I have infinite healing, so I will let you beat me for ten minutes while standing. He aims to kill! Become a killing god! Invincible in the world.