Game for All: from Experimental Subject to God-Slayer!

A hundred years after the real world became gamified, the souls of Su Ming from the two worlds merge, granting him a golden finger. As long as he fights, he can grow stronger without limit; As long as he kills enemies, he can obtain all kinds of rare items beyond anyone's imagination. More importantly, Su Ming can change classes multiple times! Class advancements in the game: first advancement at level 10, second at level 50, third at level 100. Think level 100 is the limit? No, no! There are still fourth and fifth advancements...