Pei Ye's train of thought reached here, and he suddenly felt more enlightened. He nodded, pondering for a while before continuing slowly: "Therefore, the 'boundary marker' is the core of contacting the Spirit Realm, but in fact, although both 'recognition' and 'alteration' can enter the Spirit Realm, they are fundamentally different."
"Hmm?" Li Xizhou looked at him intently.
