All People Change Their Profession, Become a God-Level Strengthener

In a world where games and reality combine, fighting professionals are respected. Li Yao changed his job and became a disgusting reinforcement master, but this reinforcement master is a little bit different from ordinary reinforcement masters... Ordinary strengtheners can only strengthen weapons, but Li Yao can strengthen everything, even a stone can be strengthened! ... [Congratulations, you successfully strengthened the stone and obtained the Terra Stone! [Congratulations, you successfully strengthened the iron sword and obtained the magic sword Apophis! ] "If everything can be strengthened... What about zombies?" [Congratulations, you have successfully strengthened your zombies and obtained the Zombie King! ... "Then... Can I... Strengthen myself?" [Congratulations, you have successfully strengthened your physical body and obtained the Black Plague Body! Keep strengthening and sanctify your body!