Su Wen traveled to the world of immortality and became a sweeper of a library. He had mediocre talent and just wanted to survive.
One day, he was extremely bored while cleaning, and casually recited the multiplication table from his previous life.
"One one makes one, one two makes two..."
In an instant, the sky and the earth changed color, and the avenue resonated! The ancient formation diagram in the library that had been dusty for thousands of years evolved on its own, and golden runes rose into the sky!
"Two two makes four, two three makes six..."