This is the Heavenly Emperor Mansion at the top of Kunlun Mountain, the sacred palace guarded by the gods.
Xuanji took two steps forward, slightly dazzled by the mist-hidden exotic flowers in front of her eyes, unsure of which direction to go. Liu Yihuan tugged at her sleeve and pointed towards the distant sky, whispering, "Do you see that over there?"
Looking up, Xuanji saw clouds billowing and mists swirling, with a majestic and beautiful palace faintly appearing in the sky. She felt somewhat emotional—it was no wonder Tengshe had said that the Lower Realm's scenery was nothing to speak of. Indeed, any landscape from the mortal world would become rubbish and rot upon reaching this place.
"Let's head over there. If the Heavenly Emperor visits Kunlun Mountain for leisure, he must be staying there."
