The book ended up being fed to Xie Tianyi.
But Lin Yuan had memorized this string of numbers.
Although much time had passed, Lin Yuan's mind was now clear; the things he had memorized were difficult to forget even if he wanted to.
If his guess was correct, there must be a connection with a Cultivator on the other end of this number.
Maybe he could try using this number.
Thinking this, Lin Yuan pulled out his mobile phone and dialed the number.
A busy tone, no answer.
But a look of joy appeared on Lin Yuan's face...
If a number hasn't been used in a long time, then it would have inevitably been disconnected by the communication company due to depleted credit.
Calling it would simply lead to a direct message indicating the line was discontinued.
Yet this number was getting through, it just wasn't being answered.
This meant somebody had been using this number continuously...