The two of them continued all the way down.
Lan Xiaoni summoned a film of golden water that created a suit of semi-transparent armor that encapsulated her body, keeping all potential energy attacks and even disruption of one's consciousness at bay.
An Lin couldn't even be bothered to take any defensive measures.
After absorbing the essential dao bone of the Heavenly True Immortal, his body was so powerful that even if he just stood still and allowed a Dao Integration Stage super mighty figure to rain attacks down upon him, they might still be unable to hurt him. It could be said that his skin was the ideal suit of armor.
After descending for a while, they were still unable to see the bottom. Even their divine sense was unable to detect the bottom. The light in the sky was being obscured by the forcefield, and it was getting darker and darker.