This matter still needs to be discussed with Old Wang when we get back. He is experienced and should have an idea of roughly how many Matrix Hearts this kind of restriction requires.
"If it really takes around a hundred or so, then in the short term, there is simply no way to lift the restriction on the Lesser Immortal Realm. I wonder what the Underworld corresponding to this place looks like—will there be countless immortal souls?"
Fang Chen thought to himself quietly.
Chapter 644