When Wang Lin saw the Heavenly Charms Grand Sage exit the outer realm without hesitation, he knew that she was telling the truth. The relics left behind by the Hades Emperor inside the outer realm were indeed placed separately, and the Heavenly Charms Grand Sage had overcome several layers of restrictions to retrieve a portion of the treasure.
Otherwise, emerging now would be meaningless for her. Even though she could force Wang Lin back, Wang Lin just had to continue observing her from afar to prevent her from returning to continue collecting the relics.
Whenever she entered the outer realm, Wang Lin would continue destroying the realm. And when she emerged from the outer realm, Wang Lin would retreat.
