Fantasy: I Was Only Three Years Old and I Started to Be Invincible

As a household registration holder in Cao Xianjing, he began to shoulder the burden of the three realms when he was only three years old. The first task is to get rid of the unspoken rules that have been passed down for hundreds of thousands of years? So difficult... Countless saints in heaven want to find him and marry him. Almost all the geniuses, villains, sons of luck, and system owners want to challenge him. But he... Somewhat invincible.