Actually, their drifting wasn't meaningless; they were absorbing gases in the night air of the space, which contained the fragrance of the Nourishing Soul Flower. This was why they could cultivate without needing to go to the riverbank.
When the Vine Elf discovered it could enter the ground, it felt that even without its original body present, it could absorb nutrients from the air during the night.
Suddenly it felt that being in this Magical Treasure wasn't so bad, so it contacted its master and had its original body taken inside.
Jiang Tang heard the Vine Whip's message and solved its lodging problem, which was quite favorable.
By continually bringing his pets and subdued Demonic Beasts into the Hell Palace, Taoist priests had even less opportunity to cause trouble.
His vengeful ghosts also lost their chance to wreak havoc inside and couldn't be released.