Word-savvy, explore the copy

In 2003, the world suddenly fell into different spaces.
Today, more than 20 years ago, in 2023. The sudden global broadcast revealed to the world this phenomenon that had been happening for 20 years.
Countries collectively call them copies.
Starting today, all residents can freely start exploring the dungeon after logging in and registering.
The era of exploration and transcendence begins today, the world enters a new era, and history will remember this moment.
Zhuang Cai is one of them, but he is a little different from ordinary people.
Because he is [literate].