The Mercury Angel was indeed cooperating fully under the gaze of the Human Emperor, swiftly handing over the medium to Twilight Manor, namely three crystal rings. These were the Secret Treasures crafted by the Mercury Angel himself, named the Rings of the Mirror King.
With these crystal rings, one could enter the insides of Twilight Manor through mirrors located around the world.
At the same time, one could also reach mirrors around the world through the rings, achieving the goal of traversing space.
They could serve as shelters and provide rapid support—they were indeed valuable.
The only concern was that if they entered Twilight Manor rashly, whether they would be harmed by the strong practitioners of Heavenly Principle. Li Luoling intended to give the rings to her aunt and mother. If they were harmed, she truly would annihilate all of Heavenly Principle.